我如何解决索引超出了数组的范围 [英] How do I solve Index was outside the bounds of array
本文介绍了我如何解决索引超出了数组的范围的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
如何解决索引超出数组的范围？错误究竟来自哪里？我该如何解决？
How do I solve Index was outside the bounds of array? Where exactly the error is coming from? How do I fix it?
非常感谢您的帮助。
namespace
{
public partial class : UserControl
{
_foundationWs = tProxyProperties.Proxy();
DataTable dtWAF = null;
EnrolmentIntendedCourse[] _intendedCourse = null;
EnrolmentIntendedCourse[] _intendedCourseList = null;
//NormalisedCompositeScoreSetup[] _WeightageList = null;
NormalisedCompositeScoreSetup[] _WeightageList;
//NormalisedCompositeScoreSpecialFactorSetup[] _specialFactorData = null;
NormalisedCompositeScoreSpecialFactorSetup[] _specialFactorData;
NormalisedCompositeScoreSpecialFactorSetup[] _existingSpecialFactor = null;
NormalisedCompositeScoreSetup[] _compositeScoreSetup = null;
//added for PopulateWeightage and Special Factor
NormalisedCompositeScoreSpecialFactorSetup[] _setupList = null;
readonly bool _isViewMode;
string _useinName= string.Empty;
string _calledFrom= string.Empty;
string _selectedUseInCourse;
int _selectedIntendedCourse;
DateRange[] _studyPeriods;
DateRange studyPeriod= null;
int _courseTypeId;
RegisteredCourse[] _selectedCourse;
int _courseType = 0;
NormalisedCompositeScoreSetup _newNCSData = new NormalisedCompositeScoreSetup();
List<NormalisedCompositeScoreSpecialFactorSetup> _newNCSSpecialFactorData = null;
//NormalisedCompositeScoreSetup _compositeData;
List<NormalisedCompositeScoreSpecialFactorSetup> _compositeDataSpecialFactor;
NormalisedCompositeScoreSetup[] compositeSetup = null;
//NormalisedCompositeScoreSpecialFactorSetup[] existingSpecialFactor = null;
//for GetWeightageAndSpecialFactorSetupRecordsForEditingPage
DataSet _setupRecords2 = null;
int RegisterdCourseId = 0;
int _registerdCourseId = 0;
string _coursename;
string _studyPeriodDate;
public int _intendedCourseId = -1;
string _courseName;
//CopyTo
string _selectedCopyToCourse;
string _selectedCopyToStudyPeriod;
public WeighAndSpecialFactorForFoundation(int _registerdCourseId, string _courseName, string _studyPeriodDate, int _intendedCourseId)
{
InitializeComponent();
this._registerdCourseId = _registerdCourseId;
this._courseName = _courseName;
this._studyPeriodDate = _studyPeriodDate;
this._intendedCourseId = _intendedCourseId;
lblCourse.Text = _courseName;
lblStudyPeriod.Text = _studyPeriodDate;
if (_isViewMode)
{
BtnSave.Enabled = false;
btnCancel.Enabled = false;
panel1.Enabled = false;
}
_calledFrom = "Load";
if (initialBackground.IsBusy == false)
initialBackground.RunWorkerAsync();
}
private void populateUseInCourse()
{
// Prevent the automatic execution of SelectedIndexChanged event while loading the combo box
cboUseIn.SelectedIndexChanged -= cboUseIn_SelectedIndexChanged;
cboUseIn.ValueMember = "useInSystemModuleName";
cboUseIn.ValueMember = "IsShow";
cboUseIn.DataSource = _intendedCourse;
cboUseIn.SelectedIndex = -1;
cboUseIn.SelectedIndexChanged += cboUseIn_SelectedIndexChanged;
}
private void populateIntendedCourse()
{
//Prevent the automatic execution of SelectedIndexChanged event while loading the combo box
cboIntendedCourse.SelectedIndexChanged -= cboIntendedCourse_SelectedIndexChanged;
DataTable dtCourse = new DataTable();
dtCourse.Columns.Add("Id", typeof(int));
dtCourse.Columns.Add("Name", typeof(string));
foreach (EnrolmentIntendedCourse course in _intendedCourseList)
{
//dtCourse.Rows.Add(course.EnrolmentIntendedCourseId, string.Format("{0}({1})", course.IntendedCourseName, course.CourseCode));
dtCourse.Rows.Add(course.IntendedCourseId, string.Format("{0}({1})", course.IntendedCourseName, course.CourseCode));
}
cboIntendedCourse.DisplayMember = "Name";
cboIntendedCourse.ValueMember = "Id";
cboIntendedCourse.DataSource = dtCourse;
cboIntendedCourse.SelectedIndex = -1;
cboIntendedCourse.SelectedIndexChanged += cboIntendedCourse_SelectedIndexChanged;
}
//populating Weightage and Special Factor
private void populateWeightage()
{
DataTable dt2 = new DataTable();
dt2.Columns.Add("Registered_course_id", typeof(int));
dt2.Columns.Add("SpecialFactor", typeof(string));
dt2.Columns.Add("SpecialFactorDescription", typeof(string));
dt2.Columns.Add("weighting_educational_qualification", typeof(decimal));
dt2.Columns.Add("weighting_admission_test", typeof(decimal));
for (int i = 0; i < _setupList.Length; i++)
{
dt2.Rows.Add(
_setupRecords2.Tables[0].Rows[i]["Registered_course_id"], _setupRecords2.Tables[0].Rows[i]["SpecialFactor"],
_setupRecords2.Tables[0].Rows[i]["SpecialFactorDescription"],
_setupRecords2.Tables[0].Rows[0]["weighting_educational_qualification"],
_setupRecords2.Tables[0].Rows[i]["weighting_admission_test"]
);
}
}
private void populateResultGrid()
{
dtWAF = new DataTable();
dtWAF.Columns.Add("NCSSpecialFactorSetupFoundationID", typeof(int));
dtWAF.Columns.Add("SpecialFactor", typeof(decimal));
dtWAF.Columns.Add("Description", typeof(string));
if (_specialFactorData != null)
{
for (int i = 0; i < _specialFactorData.Length; i++)
{
dtWAF.Rows.Add(_specialFactorData[i].NormalisedCompositeScoreSpecialFactorSetupFoundationID,
_specialFactorData[i].SpecialFactor, _specialFactorData[i].SpecialFactorDescription);
}
}
DataGridViewTextBoxColumn colView;
colView = new DataGridViewTextBoxColumn();
colView.DataPropertyName = "NCSSpecialFactorSetupFoundationID";
colView.ValueType = typeof(int);
colView.Name = colView.DataPropertyName;
colView.HeaderText = "NCS Special Factor Setup FoundationID";
colView.Visible = false;
resultGrid.Columns.Add(colView);
colView = new DataGridViewTextBoxColumn();
colView.DataPropertyName = "SpecialFactor";
colView.ValueType = typeof(decimal);
colView.Name = colView.DataPropertyName;
colView.HeaderText = "Special Factor";
colView.MaxInputLength = 4;
colView.Visible = true;
resultGrid.Columns.Add(colView);
colView = new DataGridViewTextBoxColumn();
colView.DataPropertyName = "Description";
colView.ValueType = typeof(string);
colView.Name = colView.DataPropertyName;
colView.HeaderText = "Description";
colView.MaxInputLength = 50;
colView.Visible = true;
resultGrid.Columns.Add(colView);
resultGrid.DataSource = dtWAF;
}
private void PopulateStudyPeriod()
{
cboStudyPeriod.SelectedIndexChanged -= cboStudyPeriod_SelectedIndexChanged;
DataTable studyPeriodDT = new DataTable();
studyPeriodDT.Columns.Add("StudyPeriod", typeof(string));
if (_studyPeriods != null)
{
for (int i = 0; i < _studyPeriods.Length; i++)
{
studyPeriodDT.Rows.Add(
_studyPeriods[i].StartDate.ToString("dd/MM/yy hh:mm:ss tt") + " - " + _studyPeriods[i].EndDate.ToString("dd/MM/yy hh:mm:ss tt"));
}
}
cboStudyPeriod.DataSource = studyPeriodDT;
cboStudyPeriod.DisplayMember = "StudyPeriod";
cboStudyPeriod.SelectedIndexChanged += cboStudyPeriod_SelectedIndexChanged;
}
//populateCourse
private void PopulateCourse()
{
//Prevent the automatic execution of SelectedIndexChanged event while loading the combo box
cboCopyToCourse.SelectedIndexChanged -= cboCopyToCourse_SelectedIndexChanged;
DataTable dtCourseCopyTo = new DataTable();
dtCourseCopyTo.Columns.Add("Id", typeof(int));
dtCourseCopyTo.Columns.Add("Name", typeof(string));
foreach (EnrolmentIntendedCourse course in _intendedCourseList)
{
dtCourseCopyTo.Rows.Add(course.IntendedCourseId, string.Format("{0}", course.IntendedCourseName));
}
cboCopyToCourse.DisplayMember = "Name";
cboCopyToCourse.ValueMember = "Id";
cboCopyToCourse.DataSource = dtCourseCopyTo;
cboCopyToCourse.SelectedIndex = -1;
cboCopyToCourse.SelectedIndexChanged += cboCopyToCourse_SelectedIndexChanged;
}
private void CheckingOnSaving()
{
try
{
if (ValidationForCalculation() == false)
{
MessageBox.Show("Data is saved successfully", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtWAT.Focus();
return;
}
else
{
MessageBox.Show("You have not made any chages.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtWAT.Focus();
return;
}
}
catch(Exception e)
{
MessageBox.Show(e.Message.ToString(), "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private bool ValidationForCalculation()
{
bool flag = false;
if (txtWAT.Text != string.Empty && txtWEQ.Text != string.Empty)
{
decimal total = decimal.Parse(txtWAT.Text) + decimal.Parse(txtWEQ.Text);
if (total == 1)
flag = true;
else
flag = false;
}
return flag;
}
private bool SavingCheckChange()
{
bool flag = false;
_newNCSSpecialFactorData = new List<NormalisedCompositeScoreSpecialFactorSetup>();
for (int i = 0; i < resultGrid.Rows.Count; i++)
{
if (Convert.ToInt32(resultGrid.Rows[i].Cells["NCSSpecialFactorSetupFoundationID"].Value) == -1)
{
//NormalisedCompositeScoreSpecialFactorSetup specialFactor = new NormalisedCompositeScoreSpecialFactorSetup();
//specialFactor.NormalisedCompositeScoreSpecialFactorSetupFoundationID = Convert.ToInt32(resultGrid.Rows[i].Cells["NCSSpecialFactorSetupFoundationID"].Value);
//specialFactor.EnrolmentIntendedCourse = new Course();
//specialFactor.EnrolmentIntendedCourse. = Convert.ToInt32(resultGrid.Rows[i].Cells["CourseId"].Value);
flag = true;
NormalisedCompositeScoreSpecialFactorSetup specialFactor = new NormalisedCompositeScoreSpecialFactorSetup();
specialFactor.NormalisedCompositeScoreSpecialFactorSetupFoundationID = Convert.ToInt32(resultGrid.Rows[i].Cells["NCSSpecialFactorSetupFoundationID"].Value);
specialFactor.EnrolmentIntendedCourse = new Course();
specialFactor.EnrolmentIntendedCourse.CourseID= Convert.ToInt32(resultGrid.Rows[i].Cells["CourseId"].Value);
_newNCSSpecialFactorData.Add(specialFactor);
}
else
{
if (resultGrid.Rows[i].Cells["CourseId"].Value.ToString() != resultGrid.Rows[i].Cells["OldNCSSpecialFactorSetupFoundationID"].Value.ToString() ||
resultGrid.Rows[i].Cells["CutOffPoint"].Value.ToString() != resultGrid.Rows[i].Cells["OldNCSSpecialFactorSetupFoundationID"].Value.ToString())
{
flag = true;
NormalisedCompositeScoreSpecialFactorSetup specialFactor = new NormalisedCompositeScoreSpecialFactorSetup();
specialFactor.NormalisedCompositeScoreSpecialFactorSetupFoundationID = Convert.ToInt32(resultGrid.Rows[i].Cells["NCSSpecialFactorSetupFoundationID"].Value);
specialFactor.EnrolmentIntendedCourse = new Course();
specialFactor.EnrolmentIntendedCourse.CourseID = Convert.ToInt32(resultGrid.Rows[i].Cells["CourseId"].Value);
_newNCSSpecialFactorData.Add(specialFactor);
}
}
}
return flag;
}
private void RefreshGrid()
{
//_compositeScoreSetup = null;
resultGrid.DataSource = null;
txtWEQ.Text = "";
txtWAT.Text = "";
if (initialBackground.IsBusy == false)
initialBackground.RunWorkerAsync();
}
private bool DuplicateRecords()
{
bool flag = false;
for (int x = 0; x < resultGrid.RowCount - 1; x++)
{
DataRow[] dr = dtWAF.Select("SpecialFactor = '" + decimal.Parse(resultGrid.Rows[x].Cells["SpecialFactor"].Value.ToString())
+ "' OR Description = '" + resultGrid.Rows[x].Cells["Description"].Value.ToString() + "' ");
if (dr.Length > 1)
{
flag = false;
break;
}
else
{
flag = true;
}
}
return flag;
}
#region BackGroundWorker
private void initialBackground_DoWork(object sender, DoWorkEventArgs e)
{
try
{
initialBackground.ReportProgress(0);
if (_calledFrom == "Load")
{
_intendedCourse = _foundationWs.GetAllEnrollmentIntendedCourse();
}
//else if (_calledFrom == "PopulateUseInCourse")
else if (_calledFrom == "populateUseInCourse")
{
_intendedCourseList = _foundationWs.GetAllEnrollmentIntendedCourseByUseInModuleName(_selectedUseInCourse);
}
else if (_calledFrom == "populateWeightage")
{
//_WeightageList = _foundationWs.GetAllNCSByCourseId(_intendedCourseId);
//_specialFactorData = _foundationWs.GetAllNCSSpecialFactorByCourseId(_intendedCourseId);
_WeightageList = _foundationWs.GetAllNCSByCourseId(_selectedIntendedCourse);
_specialFactorData = _foundationWs.GetAllNCSSpecialFactorByCourseId(_selectedIntendedCourse);
////_setupRecords2 = _foundationWs.GetWeightageAndSpecialFactorSetupRecordsForEditingPage(RegisterdCourseId);
}
else if (_calledFrom == "Save")
{
_foundationWs.SaveNormalisedCompositeSpecialFactorList(_newNCSData, _newNCSSpecialFactorData.ToArray());
}
else if (_calledFrom == "PopulateStudyPeriod")
{
_studyPeriods = _foundationWs.GetStudyPeriods(_courseTypeId);
}
//else if (_calledFrom == "PopulateStudyPeriodForCopyTo")
//{
// //_studyPeriods = _foundationWs.GetStudyPeriods(_courseTypeId);
// _foundationWs.SaveNormalisedCompositeSpecialFactorList(_newNCSData, _newNCSSpecialFactorData.ToArray());
//}
else if (_calledFrom == "PopulateStudyPeriodForCopyTo")
{
string[] dates = _selectedCopyToStudyPeriod.Split('-');
string StartDate = dates[0].Trim();
string EndDate = dates[1].Trim();
//
StartDate = Convert.ToString(studyPeriod.StartDate);
EndDate = Convert.ToString(studyPeriod.EndDate);
_selectedCourse = _foundationWs.GetRegisteredCoursesByCourseType(studyPeriod, _courseType, AuthenticatedUser.UserSingleton.GetSingletonObject().userID);
}
initialBackground.ReportProgress(100);
}
catch (Exception ex)
{
e.Cancel = true;
ExceptionMessageBox.Show(ex);
}
}
private void initialBackground_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
if (e.ProgressPercentage < 100)
ShowWaitingBar(true);
else
ShowWaitingBar(false);
}
private void initialBackground_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
try
{
if (e.Error != null)
{
MessageBox.Show(e.Error.Message);
}
else if (e.Cancelled)
{
// Next, handle the case where the user canceled the operation.
// Note that due to a race condition in the DoWork event handler, the Cancelled flag may not have been set, even though CancelAsync was called.
ShowWaitingBar(false);
}
else
{
if (_calledFrom == "Load")
{
populateUseInCourse();
//populateIntendedCourse();
}
//else if (_calledFrom == "PopulateUseInCourse")
else if (_calledFrom == "populateUseInCourse")
{
populateIntendedCourse();
}
else if (_calledFrom == "populateWeightage")
{
populateResultGrid();
if (_WeightageList != null)
{
//_WeightageList.ToString();
//txtWEQ.Text = _WeightageList.WeightingEducationalQualification.ToString();
//txtWAT.Text = _WeightageList.WeightingEducationalAdmissionTest.ToString();
txtWEQ.Text = _WeightageList[0].WeightingEducationalQualification.ToString();
txtWAT.Text = _WeightageList[0].WeightingEducationalAdmissionTest.ToString();
}
else
{
txtWEQ.Text = "";
txtWAT.Text = "";
}
//populateResultGrid();
}
else if (_calledFrom == "populateStudyPeriod")
{
PopulateStudyPeriod();
}
//else if (_calledFrom == "Save")
//{
// MessageBox.Show("Record is saved successfully.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Information);
// RefreshGrid();
//}
}
}
catch (Exception ex)
{
MessageBox.Show("Unable to load" + "\n" + ex.Message, "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
}
#endregion
private void BtnSave_Click(object sender, EventArgs e)
{
try
{
if (txtWAT.Text.ToString() == string.Empty)
{
MessageBox.Show("Please enter Weighing Of Admission Test/Audition.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtWAT.Focus();
return;
}
if (txtWEQ.Text.ToString() == string.Empty)
{
MessageBox.Show("Please enter Weighing of Educational Qualification.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtWEQ.Focus();
return;
}
if (resultGrid.RowCount == 1)
{
return;
}
else
{
string strMsg = string.Empty;
strMsg = ValidationForGridView();
if (strMsg != string.Empty)
{
MessageBox.Show( strMsg, "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (DuplicateRecords() == false)
{
MessageBox.Show("Cannot update, duplicate records found. Please check Special Factor and Description.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
if (decimal.Parse(txtWEQ.Text.Trim()) > 1)
{
MessageBox.Show("Weighing of Educational Qualification of maximum value is 1.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtWEQ.Focus();
return;
}
if (decimal.Parse(txtWAT.Text.Trim()) > 1)
{
MessageBox.Show("Weighing of Admission Test of maximum value is 1.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtWAT.Focus();
return;
}
if (ValidationForCalculation() == false)
{
MessageBox.Show("The Sum of Weighing of Educational Qualification and Weighing Of Admission Test/Audition should be equal 1.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtWAT.Focus();
return;
}
//new value stored from textboxes are assigned to new variables
_newNCSData.WeightingEducationalQualification = Convert.ToDecimal(txtWEQ.Text);
_newNCSData.WeightingEducationalAdmissionTest = Convert.ToDecimal(txtWAT.Text);
_newNCSData.CreatedBy = new User();
_newNCSData.CreatedBy.UserId = AuthenticatedUser.UserSingleton.GetSingletonObject().userID;
//new value stored from gridview
if (resultGrid.RowCount > 0)
{
_newNCSSpecialFactorData= new List<NormalisedCompositeScoreSpecialFactorSetup>();
for (int i = 0; i < resultGrid.Rows.Count-1; ++i)
{
NormalisedCompositeScoreSpecialFactorSetup specialFactorSetUp = new NormalisedCompositeScoreSpecialFactorSetup();
if (resultGrid.Rows[i].Cells["NCSSpecialFactorSetupFoundationID"].Value.ToString() != string.Empty)
{
specialFactorSetUp.NormalisedCompositeScoreSpecialFactorSetupFoundationID = int.Parse(resultGrid.Rows[i].Cells["NCSSpecialFactorSetupFoundationID"].Value.ToString());
}
//specialFactorSetUp.NormalisedCompositeScoreSpecialFactorSetupFoundationID = Convert.ToInt32(resultGrid["NCSSpecialFactorSetupFoundationID", i].Value);
specialFactorSetUp.SpecialFactor = Convert.ToDecimal(resultGrid["SpecialFactor", i].Value);
specialFactorSetUp.SpecialFactorDescription = Convert.ToString(resultGrid["Description", i].Value);
specialFactorSetUp.CreatedBy = new User();
specialFactorSetUp.CreatedBy.UserId = AuthenticatedUser.UserSingleton.GetSingletonObject().userID;
_newNCSSpecialFactorData.Add(specialFactorSetUp);
}
_calledFrom = "Save";
MessageBox.Show("Record is save successfully.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Information);
RefreshGrid();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString(), "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void btnCopy_Click(object sender, EventArgs e)
{
_calledFrom = "PopulateStudyPeriod";
using (BackgroundWorker worker = new BackgroundWorker())
{
if (worker.IsBusy == false)
worker.RunWorkerAsync();
}
PopulateStudyPeriod();
_calledFrom = "PopulateStudyPeriodForCopyTo";
using (BackgroundWorker worker = new BackgroundWorker())
{
if (worker.IsBusy == false)
worker.RunWorkerAsync();
}
PopulateCourse();
}
private void btnCancel_Click(object sender, EventArgs e)
{
Form form = FindForm();
if (form == null)
return;
//RemovePane("WeighAndSpecialFactorPane");
RemovePane("WeightageAndSpecialFactorPane");
}
private void deleteToolStripMenuItem_Click(object sender, EventArgs e)
{
Common.UserRight right = UserRightsCache.GetRights("Weigh and Special Factor", _useinName);
if (!right.IsDelete)
{
MessageBox.Show("You don't have sufficient rights to perform this operation.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
DialogResult result = MessageBox.Show("Are you sure you want to delete?", "Weightage And Special Factor", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (result == DialogResult.Yes)
{
int rowcount = resultGrid.SelectedRows.Count;
foreach (DataGridViewRow drRow in resultGrid.SelectedRows)
{
if (!drRow.IsNewRow)
{
//setupWS.DeleteNormalisedCompositeScoreSpecialFactorSetup(int.Parse(drRow.Cells["SpecialFactorID"].Value.ToString()),
//_regID, AuthenticatedUser.UserSingleton.GetSingletonObject().userID);
//resultGrid.Rows.Remove(drRow);
}
}
if (resultGrid.RowCount == 1)
{
RefreshGrid();
}
}
}
private void txtWAT_KeyPress(object sender, KeyPressEventArgs e)
{
txtWAT.MaxLength = 4;
if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar) && e.KeyChar != '.')
{
e.Handled = true;
}
// only allow one decimal point
if (e.KeyChar == '.' && (sender as TextBox).Text.IndexOf('.') > -1)
{
e.Handled = true;
}
}
private void txtWAT_TextChanged(object sender, EventArgs e)
{
string strWAT = string.Empty;
if (txtWAT.Text.StartsWith("."))
{
strWAT = "0" + txtWAT.Text.Trim();
}
else
{
strWAT = txtWAT.Text.Trim();
}
if (txtWAT.Text != string.Empty)
{
if (!txtWAT.Text.StartsWith(".") && decimal.Parse(txtWAT.Text.Trim()) > 1)
{
MessageBox.Show("Weighing of Admission Test of maximum value is 1.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtWAT.Focus();
return;
}
else
{
decimal total = 1 - decimal.Parse(strWAT);
txtWEQ.Text = total.ToString();
txtWAT.Text = strWAT;
txtWAT.Select(txtWAT.TextLength, 0);
}
}
}
private void txtWEQ_TextChanged(object sender, EventArgs e)
{
if (txtWEQ.Text != string.Empty)
{
string strWEQ = string.Empty;
if (txtWEQ.Text.StartsWith("."))
{
strWEQ = "0" + txtWEQ.Text.Trim();
}
else
{
strWEQ = txtWEQ.Text.Trim();
}
if (!txtWEQ.Text.StartsWith(".") && decimal.Parse(txtWEQ.Text.Trim()) > 1)
{
MessageBox.Show("Weighing of Educational Qualification of maximum value is 1.", "Weightage And Special Factor", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtWEQ.Focus();
return;
}
else
{
decimal total = 1 - decimal.Parse(strWEQ);
txtWAT.Text = total.ToString();
txtWEQ.Text = strWEQ;
txtWEQ.Select(txtWEQ.TextLength, 0);
}
}
}
private void txtWEQ_KeyPress(object sender, KeyPressEventArgs e)
{
txtWEQ.MaxLength = 4;
if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar) && e.KeyChar != '.')
{
e.Handled = true;
}
////only allow one decimal point
if (e.KeyChar == '.' && (sender as TextBox).Text.IndexOf('.') > -1)
{
e.Handled = true;
}
}
private void resultGrid_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
{
if (this.resultGrid.CurrentCell.ColumnIndex == resultGrid.Columns["SpecialFactor"].Index) //this is our numeric column
{
TextBox tx = e.Control as TextBox;
tx.KeyPress += new KeyPressEventHandler(tx_KeyPress);
}
}
private void resultGrid_RowLeave(object sender, DataGridViewCellEventArgs e)
{
if (resultGrid.Rows.Count > 1)
{
deleteToolStripMenuItem.Visible = true;
}
else
{
deleteToolStripMenuItem.Visible = false;
}
}
private void resultGrid_RowsRemoved(object sender, DataGridViewRowsRemovedEventArgs e)
{
if (resultGrid.Rows.Count > 1)
{
deleteToolStripMenuItem.Visible = true;
}
else
{
deleteToolStripMenuItem.Visible = false;
}
}
#endregion
#region Method
private void tx_KeyPress(object sender, KeyPressEventArgs e)
{
if (this.resultGrid.CurrentCell.ColumnIndex == resultGrid.Columns["SpecialFactor"].Index) //this is our numeric column
{
if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar) && e.KeyChar != '.')
{
e.Handled = true;
}
//// only allow one decimal point
if (e.KeyChar == '.' && (sender as TextBox).Text.IndexOf('.') > -1)
{
e.Handled = true;
}
}
}
private bool ValidDecimal(char x, string Text)
{
string valid = "1234567890.";
if (DecimalConvert(Text) == 0)
{
Text = "";
}
if (valid.IndexOf(x) != -1)
{
if (Text.Length == 0 && x == 0)
return false;
return true;
}
return false;
}
private string ValidationForGridView()
{
string Msg = string.Empty;
if (resultGrid.RowCount > 1)
{
for (int i = 0; i < resultGrid.RowCount - 1; i++)
{
if(resultGrid.Rows[i].Cells["SpecialFactor"].Value.ToString() == string.Empty)
{
Msg = "Please enter Special Factor.";
break;
}
else if (resultGrid.Rows[i].Cells["Description"].Value.ToString() == string.Empty)
{
Msg = "Please enter Description.";
break;
}
}
}
return Msg;
}
public double DecimalConvert(string text)
{
if (text.Length == 0)
return 0;
else
return (Convert.ToDouble(text));
}
#region event
public void cboUseIn_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
if (cboUseIn.SelectedIndex != -1)
{
_selectedUseInCourse = cboUseIn.Text;
_calledFrom = "populateUseInCourse";
//_calledFrom = "populateIntendedCourse";
if( cboUseIn.SelectedValue.ToString() == "Yes")
{
grpCopy.Enabled = true;
}
else
{
grpCopy.Enabled = false;
}
if (initialBackground.IsBusy == false)
initialBackground.RunWorkerAsync();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Please select a Course", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
}
private void cboIntendedCourse_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
if (cboIntendedCourse.SelectedIndex != -1)
{
_selectedIntendedCourse = Convert.ToInt32(cboIntendedCourse.SelectedValue);
_calledFrom = "populateWeightage";
if (initialBackground.IsBusy == false)
initialBackground.RunWorkerAsync();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Please select an Intended Course", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
}
private void cboCopyToCourse_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
if (cboCopyToCourse.SelectedIndex != -1)
_selectedCopyToCourse = cboCopyToCourse.Text;
_calledFrom = "PopulateCourseForCopyTo";
if (initialBackground.IsBusy == false)
initialBackground.RunWorkerAsync();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Please select a Course to copy", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
}
private void cboStudyPeriod_SelectedIndexChanged(object sender, EventArgs e)
{
try
{
if (cboStudyPeriod.SelectedIndex != 1)
_selectedCopyToStudyPeriod = cboStudyPeriod.Text;
_calledFrom = "PopulateStudyPeriodForCopyTo";
if (initialBackground.IsBusy == false)
initialBackground.RunWorkerAsync();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Please select a study period to copy", MessageBoxButtons.OK, MessageBoxIcon.Stop);
}
}
#endregion
}
}
推荐答案
The secret is to use an index NOT out of bound...
The secret is to use an index NOT out of bound...
Eg: new array[10] means array[0] to array[9]...
Eg: new array[10] means array[0] to array[9]...
这篇关于我如何解决索引超出了数组的范围的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
查看全文
