网格特色 [英] Grid Special Features
本文介绍了网格特色的处理方法，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
使用系统；
使用 System.Collections；
使用 System.Configuration；
使用 System.Data；
使用 System.Linq;
使用 System.Web；
使用 System.Web.Security；
使用 System.Web.UI；
使用 System.Web.UI.HtmlControls;
使用使用System.Web.UI.WebControls;
使用 System.Web.UI.WebControls.WebParts；
使用 System.Xml.Linq;
公共 部分 类 Default16:System.Web .UI.页面
{
int result1，result2，result3;
私有 无效 SetInitialRow()
{
DataTable dt = 新 DataTable();
DataRow dr = 空;
dt.Columns.Add(新 DataColumn(" ，类型(字符串))))；
dt.Columns.Add(新 DataColumn(" ，类型(字符串))))；
dt.Columns.Add(新 DataColumn(" ，类型(字符串))))；
dt.Columns.Add(新 DataColumn(" ，类型(字符串))))；
dt.Columns.Add(新 DataColumn(" ，类型(字符串))))；
dt.Columns.Add(新 DataColumn(" ，类型(字符串))))；
dt.Columns.Add(新 DataColumn(" ，类型(字符串))))；
dr = dt.NewRow();
dr [" ] = 1 ;
dr [" ] = 字符串 .空的;
dr [" ] = 字符串 .空的;
dr [" ] = 字符串 .空的;
dr [" ] = 字符串 .空的;
dr [" ] = 字符串 .空的;
dr [" ] = 字符串 .空的;
dt.Rows.Add(dr);
// 将数据表存储在ViewState中
ViewState [" ] = dt;
Gridview1.DataSource = dt;
Gridview1.DataBind();
DropDownList ddl1 =(DropDownList)Gridview1.Rows [ 0 ].Cells [ 2 ].FindControl(" );
FillDropDownList(ddl1);
DropDownList ddl2 =(DropDownList)Gridview1.Rows [ 0 ].Cells [ 3 ].FindControl(" );
FillDropDownList1(ddl2);
}
私有 无效 AddNewRowToGrid()
{
int rowIndex = 0 ;
如果(ViewState [" ] ！= 为空)
{
DataTable dtCurrentTable =(DataTable)ViewState [" ];
DataRow drCurrentRow = 空;
int icount，计数；
icount = Gridview1.Rows.Count;
计数= Gridview1.Rows.Count;
如果(icount == 1 )
{
icount = 0 ;
}
如果(dtCurrentTable.Rows.Count > 0 )
{
for ( int i = icount; i >< = count; i ++)
{
// 提取TextBox值
如果(i == 0 )
{
dtCurrentTable.Rows [ 0 ] [" 跨度>] = i + 1;
dtCurrentTable.Rows [ 0 ] [" span>] = 字符串 .Empty;
dtCurrentTable.Rows [ 0 ] [" span>] = 字符串 .Empty;
dtCurrentTable.Rows [ 0 ] [" span>] = 字符串 .Empty;
dtCurrentTable.Rows [ 0 ] [" span>] = 字符串 .Empty;
dtCurrentTable.Rows [ 0 ] [" span>] = 字符串 .Empty;
dtCurrentTable.Rows [ 0 ] [" span>] = 字符串 .Empty;
// 按钮b1 =(按钮)Gridview1.Rows [rowIndex] .Cells [6] .FindControl("ButtonAdd123") ;
// b1.Visible = true;
}
其他
{
TextBox box1 =(TextBox)Gridview1.Rows [rowIndex] .Cells [ 1 ].FindControl(" TextBox1")；
TextBox box2 =(TextBox)Gridview1.Rows [rowIndex] .Cells [ 4 ].FindControl(" TextBox2")；
TextBox box3 =(TextBox)Gridview1.Rows [rowIndex] .Cells [ 5 ].FindControl(" TextBox3")；
TextBox box4 =(TextBox)Gridview1.Rows [rowIndex] .Cells [ 6 ].FindControl(" TextBox4")；
DropDownList ddl1 =(DropDownList)Gridview1.Rows [rowIndex] .Cells [ 2 ].FindControl(" DropDownList1")；
DropDownList ddl2 =(DropDownList)Gridview1.Rows [rowIndex] .Cells [ 3 ].FindControl(" DropDownList2")；
// 按钮b2 =(Button)Gridview1.Rows [rowIndex] .Cells [7] .FindControl("ButtonAdd123") ;
// b2.Visible = false;
drCurrentRow = dtCurrentTable.NewRow();
drCurrentRow [" ] = i + 1 ;
dtCurrentTable.Rows.Add(drCurrentRow);
dtCurrentTable.Rows [i] [" ] = box1.Text;
dtCurrentTable.Rows [i] [" ] = ddl1.SelectedItem.Text;
dtCurrentTable.Rows [i] [" ] = ddl2.SelectedItem.Text;
dtCurrentTable.Rows [i] [" ] = box2.Text;
dtCurrentTable.Rows [i] [" ] = box3.Text;
dtCurrentTable.Rows [i] [" ] = box4.Text;
rowIndex ++;
}
}
// dtCurrentTable.Rows.Add(drCurrentRow);
ViewState [" ] = dtCurrentTable;
Gridview1.DataSource = dtCurrentTable;
Gridview1.DataBind();
}
}
其他
{
Response.Write(" )；
}
// 设置回传的先前数据
SetPreviousData();
}
私有 无效 SetPreviousData()
{
int rowIndex = 0 ;
如果(ViewState [" ] ！= 为空)
{
DataTable dt =(DataTable)ViewState [" ];
如果(dt.Rows.Count > 0 )
{
for ( int i = 0 ; i < dt.Rows.Count; i ++)
{
TextBox box1 =(TextBox)Gridview1.Rows [rowIndex] .Cells [ 1 ].FindControl(" TextBox1")；
TextBox box2 =(TextBox)Gridview1.Rows [rowIndex] .Cells [ 4 ].FindControl(" TextBox2")；
TextBox box3 =(TextBox)Gridview1.Rows [rowIndex] .Cells [ 5 ].FindControl(" TextBox3")；
TextBox box4 =(TextBox)Gridview1.Rows [rowIndex] .Cells [ 6 ].FindControl(" TextBox4")；
DropDownList ddl1 =(DropDownList)Gridview1.Rows [rowIndex] .Cells [ 2 ].FindControl(" DropDownList1")；
DropDownList ddl2 =(DropDownList)Gridview1.Rows [rowIndex] .Cells [ 3 ].FindControl(" DropDownList2")；
FillDropDownList(ddl1);
FillDropDownList1(ddl2);
box1.Text = dt.Rows [i] [" ].ToString();
ddl1.ClearSelection();
如果(ddl1.Items.FindByText(dt.Rows [i] [" ].ToString())！= 空)
{
ddl1.Items.FindByText(dt.Rows [i] [" ].ToString()) .Selected = true ;
}
如果(ddl2.Items.FindByText(dt.Rows [i] [" ].ToString())！= 空)
{
ddl2.Items.FindByText(dt.Rows [i] [" ].ToString()) .Selected = true ;
}
box2.Text = dt.Rows [i] [" ].ToString();
box3.Text = dt.Rows [i] [" ].ToString();
box4.Text = dt.Rows [i] [" ].ToString();
Button b2 =(Button)Gridview1.Rows [rowIndex] .Cells [ 7 ].FindControl(" ButtonAdd123")；
如果(i == 0 )
{
b2.Visible = true ;
box1.ReadOnly = 假；
box2.ReadOnly = false ;
box3.ReadOnly = false ;
box4.ReadOnly = false ;
ddl1.Enabled = 真；
ddl2.Enabled = true ;
}
其他
{
b2.Visible = false ;
box1.ReadOnly = true ;
box2.ReadOnly = true ;
box3.ReadOnly = true ;
box4.ReadOnly = true ;
ddl1.Enabled = false ;
ddl2.Enabled = false ;
}
rowIndex ++;
}
}
}
}
私有 ArrayList GetDummyData()
{
ArrayList arr = 新 ArrayList();
arr.Add(新 ListItem(" span>，" )))；
皓arr.Add(新 ListItem(" ，" )))；
arr.Add(新 ListItem(" span>，" ))；
arr.Add(新 ListItem(" span>，" )))；
arr.Add(新 ListItem(" span>，" )))；
返回 arr;
}
私有 无效 FillDropDownList(DropDownList ddl)
{
ArrayList arr = GetDummyData();
foreach (列表项 in arr)
{
ddl.Items.Add(item);
}
}
私有 ArrayList GetDummyData1()
{
ArrayList arr = 新 ArrayList();
arr.Add(新 ListItem(" span>，" )))；
arr.Add(新 ListItem(" span>，" )))；
arr.Add(新 ListItem(" span>，" )))；
arr.Add(新 ListItem(" span>，" )))；
arr.Add(新 ListItem(" span>，" )))；
返回 arr;
}
私有 无效 FillDropDownList1(DropDownList ddl)
{
ArrayList arr = GetDummyData1();
foreach (列表项 in arr)
{
ddl.Items.Add(item);
}
}
受保护的 无效 Page_Load(对象发件人，EventArgs e)
{
如果(！Page.IsPostBack)
{
SetInitialRow();
}
}
// 受保护的void ButtonAdd_Click(对象发送者，EventArgs e)
// {
// AddNewRowToGrid();
// }
// 受保护的无效Gridview1_RowCommand(对象发送者，GridViewCommandEventArgs e)
// {
// 字符串cmdarg;
// int rowIndex = 0;
// cmdarg = e.CommandArgument.ToString();
// 按钮b2 =(Button)Gridview1.Rows [rowIndex] .Cells [4] .FindControl("ButtonAdd123") ;
// 如果(cmdarg =="1")
// {
// b2.Visible = true;
// }
// 其他
// {
// b2.Visible = false;
// }
// }
受保护的 无效 ButtonAdd123_Click(对象发件人，EventArgs e)
{
AddNewRowToGrid();
}
受保护的 无效 Gridview1_RowDataBound(对象发件人，GridViewRowEventArgs e)
{
如果(例如，Row.RowType == DataControlRowType.DataRow)
{
TextBox TextBox2 =(TextBox)e.Row.FindControl(" );
TextBox TextBox3 =(TextBox)e.Row.FindControl(" );
TextBox TextBox4 =(TextBox)e.Row.FindControl(" );
}
}
// 如果(例如，Row.RowType == DataControlRowType.DataRow)
// {
// TextBox TextBox2 =(TextBox)e.Row.FindControl("TextBox2");
// TextBox TextBox3 =(TextBox)e.Row.FindControl("TextBox3");
// TextBox TextBox4 =(TextBox)e.Row.FindControl("TextBox4");
// 字符串ID = e.Row.Cells [4] .Text;
// TextBox2.Text = id;
// 字符串id2 = e.Row.Cells [5] .Text;
// TextBox3.Text = id2;
// int mult = int.Parse(id)* int.Parse(id2);
// TextBox4.Text = mult;
// e.Row.Cells [e.Row.Cells.Count-1] .Text = mult.ToString() ;
// }
受保护的 无效 TextBox3_TextChanged(对象发件人，EventArgs e)
{
尝试
{
int 值；
for ( int i = 0 ; i < Gridview1.Rows.Count; i ++)
{
GridViewRow行= Gridview1.Rows [i];
TextBox TextBox2 =(TextBox)row.FindControl(" );
TextBox TextBox3 =(TextBox)row.FindControl(" );
TextBox TextBox4 =(TextBox)row.FindControl(" );
值 = Convert.ToInt32(TextBox2.Text)* Convert.ToInt32(TextBox3.Text);
TextBox4.Text = Convert.ToString(值);
}
}
捕获(例外)
{
扔 ex;
}
}
}
解决方案
嘿，我可以知道你在做什么吗?还找到了您的其他3个问题.您在这里发布内容是一个问题.您可以将其发布为 Tips/Trick [博客 [ ^ ]
给我们一个提示.
是因为您有问题而发布此消息吗?
如果是这样，请提出问题.
如果没有，那么最好将其发布到其他地方.
using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
public partial class Default16 : System.Web.UI.Page
{
int result1, result2, result3;
private void SetInitialRow()
{
DataTable dt = new DataTable();
DataRow dr = null;
dt.Columns.Add(new DataColumn("RowNumber", typeof(string)));
dt.Columns.Add(new DataColumn("Column1", typeof(string)));
dt.Columns.Add(new DataColumn("Column2", typeof(string)));
dt.Columns.Add(new DataColumn("Column3", typeof(string)));
dt.Columns.Add(new DataColumn("Column4", typeof(string)));
dt.Columns.Add(new DataColumn("Column5", typeof(string)));
dt.Columns.Add(new DataColumn("Column6", typeof(string)));
dr = dt.NewRow();
dr["RowNumber"] = 1;
dr["Column1"] = string.Empty;
dr["Column2"] = string.Empty;
dr["Column3"] = string.Empty;
dr["Column4"] = string.Empty;
dr["Column5"] = string.Empty;
dr["Column6"] = string.Empty;
dt.Rows.Add(dr);
//Store the DataTable in ViewState
ViewState["CurrentTable"] = dt;
Gridview1.DataSource = dt;
Gridview1.DataBind();
DropDownList ddl1 = (DropDownList)Gridview1.Rows[0].Cells[2].FindControl("DropDownList1");
FillDropDownList(ddl1);
DropDownList ddl2 = (DropDownList)Gridview1.Rows[0].Cells[3].FindControl("DropDownList2");
FillDropDownList1(ddl2);
}
private void AddNewRowToGrid()
{
int rowIndex = 0;
if (ViewState["CurrentTable"] != null)
{
DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];
DataRow drCurrentRow = null;
int icount, count;
icount = Gridview1.Rows.Count;
count = Gridview1.Rows.Count;
if (icount==1)
{
icount = 0;
}
if (dtCurrentTable.Rows.Count > 0)
{
for (int i = icount; i <= count; i++)
{
//extract the TextBox values
if (i==0)
{
dtCurrentTable.Rows[0]["RowNumber"] = i+1;
dtCurrentTable.Rows[0]["Column1"] = string.Empty;
dtCurrentTable.Rows[0]["Column2"] = string.Empty;
dtCurrentTable.Rows[0]["Column3"] = string.Empty;
dtCurrentTable.Rows[0]["Column4"] = string.Empty;
dtCurrentTable.Rows[0]["Column5"] = string.Empty;
dtCurrentTable.Rows[0]["Column6"] = string.Empty;
//Button b1 = (Button)Gridview1.Rows[rowIndex].Cells[6].FindControl("ButtonAdd123");
//b1.Visible = true;
}
else
{
TextBox box1 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("TextBox1");
TextBox box2 = (TextBox)Gridview1.Rows[rowIndex].Cells[4].FindControl("TextBox2");
TextBox box3 = (TextBox)Gridview1.Rows[rowIndex].Cells[5].FindControl("TextBox3");
TextBox box4 = (TextBox)Gridview1.Rows[rowIndex].Cells[6].FindControl("TextBox4");
DropDownList ddl1 = (DropDownList)Gridview1.Rows[rowIndex].Cells[2].FindControl("DropDownList1");
DropDownList ddl2 = (DropDownList)Gridview1.Rows[rowIndex].Cells[3].FindControl("DropDownList2");
//Button b2 = (Button)Gridview1.Rows[rowIndex].Cells[7].FindControl("ButtonAdd123");
//b2.Visible = false;
drCurrentRow = dtCurrentTable.NewRow();
drCurrentRow["RowNumber"] = i + 1;
dtCurrentTable.Rows.Add(drCurrentRow);
dtCurrentTable.Rows[i]["Column1"] = box1.Text;
dtCurrentTable.Rows[i]["Column2"] = ddl1.SelectedItem.Text;
dtCurrentTable.Rows[i]["Column3"] = ddl2.SelectedItem.Text;
dtCurrentTable.Rows[i]["Column4"] = box2.Text;
dtCurrentTable.Rows[i]["Column5"] = box3.Text;
dtCurrentTable.Rows[i]["Column6"] = box4.Text;
rowIndex++;
}
}
//dtCurrentTable.Rows.Add(drCurrentRow);
ViewState["CurrentTable"] = dtCurrentTable;
Gridview1.DataSource = dtCurrentTable;
Gridview1.DataBind();
}
}
else
{
Response.Write("ViewState is null");
}
//Set Previous Data on Postbacks
SetPreviousData();
}
private void SetPreviousData()
{
int rowIndex = 0;
if (ViewState["CurrentTable"] != null)
{
DataTable dt = (DataTable)ViewState["CurrentTable"];
if (dt.Rows.Count > 0)
{
for (int i = 0; i < dt.Rows.Count; i++)
{
TextBox box1 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("TextBox1");
TextBox box2 = (TextBox)Gridview1.Rows[rowIndex].Cells[4].FindControl("TextBox2");
TextBox box3 = (TextBox)Gridview1.Rows[rowIndex].Cells[5].FindControl("TextBox3");
TextBox box4 = (TextBox)Gridview1.Rows[rowIndex].Cells[6].FindControl("TextBox4");
DropDownList ddl1 = (DropDownList)Gridview1.Rows[rowIndex].Cells[2].FindControl("DropDownList1");
DropDownList ddl2 = (DropDownList)Gridview1.Rows[rowIndex].Cells[3].FindControl("DropDownList2");
FillDropDownList(ddl1);
FillDropDownList1(ddl2);
box1.Text = dt.Rows[i]["Column1"].ToString();
ddl1.ClearSelection();
if (ddl1.Items.FindByText(dt.Rows[i]["Column2"].ToString()) != null)
{
ddl1.Items.FindByText(dt.Rows[i]["Column2"].ToString()).Selected = true;
}
if (ddl2.Items.FindByText(dt.Rows[i]["Column3"].ToString()) != null)
{
ddl2.Items.FindByText(dt.Rows[i]["Column3"].ToString()).Selected = true;
}
box2.Text = dt.Rows[i]["Column4"].ToString();
box3.Text = dt.Rows[i]["Column5"].ToString();
box4.Text = dt.Rows[i]["Column6"].ToString();
Button b2 = (Button)Gridview1.Rows[rowIndex].Cells[7].FindControl("ButtonAdd123");
if (i == 0)
{
b2.Visible = true;
box1.ReadOnly = false ;
box2.ReadOnly = false;
box3.ReadOnly = false;
box4.ReadOnly = false;
ddl1.Enabled = true ;
ddl2.Enabled = true;
}
else
{
b2.Visible = false;
box1.ReadOnly = true;
box2.ReadOnly = true;
box3.ReadOnly = true;
box4.ReadOnly = true;
ddl1.Enabled = false;
ddl2.Enabled = false;
}
rowIndex++;
}
}
}
}
private ArrayList GetDummyData()
{
ArrayList arr = new ArrayList();
arr.Add(new ListItem("Item1","1"));
皜 arr.Add(new ListItem("Item2","2"));
arr.Add(new ListItem("Item3","3"));
arr.Add(new ListItem("Item4","4"));
arr.Add(new ListItem("Item5","5"));
return arr;
}
private void FillDropDownList(DropDownList ddl)
{
ArrayList arr = GetDummyData();
foreach (ListItem item in arr)
{
ddl.Items.Add(item);
}
}
private ArrayList GetDummyData1()
{
ArrayList arr = new ArrayList();
arr.Add(new ListItem("KGS","1"));
arr.Add(new ListItem("NOS","2"));
arr.Add(new ListItem("LITRE","3"));
arr.Add(new ListItem("PACKS","4"));
arr.Add(new ListItem("BALE","5"));
return arr;
}
private void FillDropDownList1(DropDownList ddl)
{
ArrayList arr = GetDummyData1();
foreach (ListItem item in arr)
{
ddl.Items.Add(item);
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
SetInitialRow();
}
}
//protected void ButtonAdd_Click(object sender, EventArgs e)
//{
// AddNewRowToGrid();
//}
//protected void Gridview1_RowCommand(object sender, GridViewCommandEventArgs e)
//{
// string cmdarg;
// int rowIndex = 0;
// cmdarg = e.CommandArgument.ToString();
// Button b2 = (Button)Gridview1.Rows[rowIndex].Cells[4].FindControl("ButtonAdd123");
// if (cmdarg == "1")
// {
// b2.Visible = true;
// }
// else
// {
// b2.Visible =false ;
// }
//}
protected void ButtonAdd123_Click(object sender, EventArgs e)
{
AddNewRowToGrid();
}
protected void Gridview1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
TextBox TextBox2 = (TextBox)e.Row.FindControl("TextBox2");
TextBox TextBox3 = (TextBox)e.Row.FindControl("TextBox3");
TextBox TextBox4 = (TextBox)e.Row.FindControl("TextBox4");
}
}
//if (e.Row.RowType == DataControlRowType.DataRow)
//{
// TextBox TextBox2 = (TextBox)e.Row.FindControl("TextBox2");
// TextBox TextBox3 = (TextBox)e.Row.FindControl("TextBox3");
// TextBox TextBox4 = (TextBox)e.Row.FindControl("TextBox4");
// string id = e.Row.Cells[4].Text;
// TextBox2.Text = id;
// string id2 = e.Row.Cells[5].Text;
// TextBox3.Text = id2;
// int mult = int.Parse(id) * int.Parse(id2);
// TextBox4.Text = mult;
// e.Row.Cells[e.Row.Cells.Count - 1].Text = mult.ToString();
//}
protected void TextBox3_TextChanged(object sender, EventArgs e)
{
try
{
int value;
for (int i = 0; i < Gridview1.Rows.Count; i++)
{
GridViewRow row = Gridview1.Rows[i];
TextBox TextBox2 = (TextBox)row.FindControl("TextBox2");
TextBox TextBox3 = (TextBox)row.FindControl("TextBox3");
TextBox TextBox4 = (TextBox)row.FindControl("TextBox4");
value = Convert.ToInt32(TextBox2.Text) * Convert.ToInt32(TextBox3.Text);
TextBox4.Text = Convert.ToString(value);
}
}
catch (Exception ex)
{
throw ex;
}
}
} 解决方案
Hey man, may I know what are you doing? Also found your other 3 questions. You are posting your content here as a question. You may post that as a Tips/Trick[^] or Blog[^]
Give us a clue.
Is this posted because you have a problem?
If so Please ask the question.
If not, then best to post it somewhere else.
这篇关于网格特色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！
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