我需要使用包含多个逗号分隔资源的文本框值从数据库中获取记录 [英] I need to get records from database using a textbox value contains multiple comma seperated resources
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问题描述
我需要从数据库中获取记录,使用文本框值包含多个逗号分隔的资源,如(DEO,DPO,PROGRAMMER),基于此每种资源类型,我需要将数据从数据库绑定到网格视图
i尝试了这个查询
I need to get records from database using a text box value contains multiple comma separated resources like (DEO,DPO,PROGRAMMER) based on this each resource type i need to bind data from database to grid view
i tried this query
var Obj_SalaryAndTaxInfo = (from p in t.Tbl_Designations where words.Contains(p.ResourceType) select p).FirstOrDefault();
但是在这种情况下,我只有一个记录
我尝试过:
but in this case i got only one record
What I have tried:
protected void RetriveInvoice_Click(object sender, EventArgs e)
{
List<getsal> getsalaries = new List<getsal>();
try
{
//int sequenceNumber = 5;
//string id = string.Format("PT{0}", sequenceNumber.ToString().PadLeft(13, '0'));
var Otsi_orders = (from p in t.Tbl_OtsiCreatedWorkOrders where p.WorkOrderNO == ddlWorkOrder.SelectedValue select p).FirstOrDefault();
GetInvoiceOnMonth_Result Invoice_Month = t.GetInvoiceOnMonth(ddlWorkOrder.SelectedValue, DLMonth.Text, DLYear.Text).FirstOrDefault();
if (Otsi_orders != null && Invoice_Month != null)
{
decimal SalaryPerDay=0;
BtnPrintSalaryList.Visible = true;
//code Added
var resourceType = t.Tbl_HMWSSBWorkOrders.Select(a => a).Where(a => a.WorkOrderNO == ddlWorkOrder.SelectedValue).FirstOrDefault();
var s = resourceType.Resource_Type;
char[] delimiterChars = { ',' };
string NewString = s;
string strresource = NewString.TrimEnd(delimiterChars);
string[] words = strresource.Split(delimiterChars);
Tbl_Designations Obj_SalaryAndTaxInfo = new Tbl_Designations();
// Obj_SalaryAndTaxInfo = (from p in t.Tbl_Designations where words.Contains(p.ResourceType) select p).FirstOrDefault();
foreach (string item in words)
{
Obj_SalaryAndTaxInfo = t.Tbl_Designations.Select(x => x).Where(x => x.ResourceType == item).FirstOrDefault();
////Obj_SalaryAndTaxInfo = (from p in t.Tbl_Designations where words.Contains(p.ResourceType) select p).Single();
lblDesignationonpageload.Visible = true;
Decimal SalaryPerresource = Convert.ToDecimal(Obj_SalaryAndTaxInfo.SalaryPerResource);
SalaryPerDay = (SalaryPerresource / (Convert.ToDecimal(Invoice_Month.NumberofDaysInMonth)));
Decimal finalPay = Convert.ToDecimal(Invoice_Month.Total_Days_Worked * SalaryPerDay);
txtNumberofResources.Text = Otsi_orders.NumberOfrequiredResources.ToString();
txtProvidedResources.Text = Otsi_orders.ProvidedResources.ToString();
TxtSalary.Text = Obj_SalaryAndTaxInfo.SalaryPerResource.ToString();
LblWorkedDays.Text = Invoice_Month.Total_Days_Worked.ToString();
LblFinalPay.Text = Math.Round(Convert.ToDecimal(finalPay), 0).ToString();
lblDesignation.Text = "Work Order For " + item;
Random UniqueNumber = new Random();
//***Taxes forinvoice calculattion
// TxtInvoiceNo.Text = "OTSIPL/HMWSSB/" + DLMonth.SelectedValue + "-" + DLYear.SelectedValue + "/" + Convert.ToInt32(UniqueNumber.Next());
TxtPanno.Text = Obj_SalaryAndTaxInfo.PANNO;
TxtServiceTaxNo.Text = Obj_SalaryAndTaxInfo.ServiceTAXNO;
txtEmployershareEPF.Text = Obj_SalaryAndTaxInfo.EPF;
txtEmployershareESI.Text = Obj_SalaryAndTaxInfo.ESI;
txtAgencyCommission.Text = Obj_SalaryAndTaxInfo.AgencyComission;
txtServiceTAX.Text = Obj_SalaryAndTaxInfo.ServiceTax;
TxtSbc.Text = Obj_SalaryAndTaxInfo.SBC;
//** Taxes for print **//
txtpono.InnerText = ddlWorkOrder.SelectedValue;
txtprojectname.InnerText = Otsi_orders.Resources_Type;
WoYear.InnerText = DateTime.Now.ToString("yy") + "-" + DateTime.Now.AddYears(1).ToString("yy");
wono.InnerText = ddlWorkOrder.SelectedValue;
DesignationType.InnerText = item;
getsalaries = GetEmployeMotnhlySalary(SalaryPerDay,item);
}
Session["PerdaySal"] = SalaryPerDay;
InvoiceTable.Visible = true;
BtnGenerateInvoice.Visible = true;
ddlWorkOrder.Enabled = false;
DLMonth.Enabled = false;
DLYear.Enabled = false;
RetriveInvoice.Visible = false;
BtnModifySearch.Visible = true;
InVoiceTemplete.Visible = true;
InvoiceGridView1.DataSource = getsalaries;
InvoiceGridView1.DataBind();
InvoiceGridView1.HeaderRow.TableSection = TableRowSection.TableHeader;
InvoiceGridView1.Visible = true;
// var Obj_SalaryAndTaxInfo = t.Tbl_Designations.Where(p => words.Contains(p.ResourceType));
// string strResourceType = Obj_SalaryAndTaxInfo.ResourceType
// lblDesignationonpageload.Visible = true;
//Decimal SalaryPerresource = Convert.ToDecimal(Obj_SalaryAndTaxInfo.SalaryPerResource);
//var SalaryPerDay = (SalaryPerresource / (Convert.ToDecimal(Invoice_Month.NumberofDaysInMonth)));
//Decimal finalPay = Convert.ToDecimal(Invoice_Month.Total_Days_Worked * SalaryPerDay);
//txtNumberofResources.Text = Otsi_orders.NumberOfrequiredResources.ToString();
//txtProvidedResources.Text = Otsi_orders.ProvidedResources.ToString();
//TxtSalary.Text = Obj_SalaryAndTaxInfo.SalaryPerResource.ToString();
//LblWorkedDays.Text = Invoice_Month.Total_Days_Worked.ToString();
//LblFinalPay.Text = Math.Round(Convert.ToDecimal(finalPay), 0).ToString();
//lblDesignation.Text = "Work Order For " + Otsi_orders.Resources_Type;
//Random UniqueNumber = new Random();
////***Taxes forinvoice calculattion
//// TxtInvoiceNo.Text = "OTSIPL/HMWSSB/" + DLMonth.SelectedValue + "-" + DLYear.SelectedValue + "/" + Convert.ToInt32(UniqueNumber.Next());
//TxtPanno.Text = Obj_SalaryAndTaxInfo.PANNO;
//TxtServiceTaxNo.Text = Obj_SalaryAndTaxInfo.ServiceTAXNO;
//txtEmployershareEPF.Text = Obj_SalaryAndTaxInfo.EPF;
//txtEmployershareESI.Text = Obj_SalaryAndTaxInfo.ESI;
//txtAgencyCommission.Text = Obj_SalaryAndTaxInfo.AgencyComission;
//txtServiceTAX.Text = Obj_SalaryAndTaxInfo.ServiceTax;
//TxtSbc.Text = Obj_SalaryAndTaxInfo.SBC;
////** Taxes for print **//
//txtpono.InnerText = ddlWorkOrder.SelectedValue;
//txtprojectname.InnerText = Otsi_orders.Resources_Type;
//WoYear.InnerText = DateTime.Now.ToString("yy") + "-" + DateTime.Now.AddYears(1).ToString("yy");
//wono.InnerText = ddlWorkOrder.SelectedValue;
//DesignationType.InnerText = Otsi_orders.Resources_Type;
//GetEmployeMotnhlySalary(SalaryPerDay);
//Session["PerdaySal"] = SalaryPerDay;
//InvoiceTable.Visible = true;
//BtnGenerateInvoice.Visible = true;
//ddlWorkOrder.Enabled = false;
//DLMonth.Enabled = false;
//DLYear.Enabled = false;
//RetriveInvoice.Visible = false;
//BtnModifySearch.Visible = true;
//InVoiceTemplete.Visible = true;
}
else
{
this.ClientScript.RegisterStartupScript(this.GetType(), "", "<script>alert('Timesheet is not Available for this work order on selected month & year')</script>");
txtEmployershareEPF.Text = " ";
txtEmployershareESI.Text = " ";
txtAgencyCommission.Text = "";
txtServiceTAX.Text = " ";
txtNumberofResources.Text = "";
txtProvidedResources.Text = "";
TxtSalary.Text = "";
LblFinalPay.Text = "";
LblWorkedDays.Text = "";
}
}
catch (Exception ex)
{
}
}
推荐答案
.FirstOrDefault()
是设计给出恰好一个结果!
满足条件的第一个成功记录/值或该记录/值的默认值:通常null
或零。
(顺便说一下:这段代码还有很多其他问题。有些只是效率低下,其他......)
The.FirstOrDefault()
is designed to give exactly one result!
Either the first successful record/value that meets the condition or the default for that type of record/value: that's usuallynull
or zero.
(By the way: There's plenty of other things wrong with this code. Some are just inefficiencies, others... )
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