Obviously couldn't run this, but I think way you have this set up, the
first click actually gets the form in the state needed and the second
completes the operation.
Here's an example of doing on-page editing from a grid that takes a
simpler and more encapsulated approach.
Hope this helps.
HTML--------------------------------
<%@ Page language="c#" Codebehind="EditOnPage.aspx.cs"
AutoEventWireup="false" Inherits="CSharpPlay.EditOnPage" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>EditOnPage</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET
7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema"
content="http://schemas.microsoft.com/intellisense/ie5";>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<asp:TextBox id="TextBox1" style="Z-INDEX: 101; LEFT:
56px;
POSITION: absolute; TOP: 32px" runat="server"></asp:TextBox>
<asp:Button id="Button1" style="Z-INDEX: 102; LEFT:
224px;
POSITION: absolute; TOP: 32px" runat="server"
Text="Button"></asp:Button>
<asp:DataGrid id="DataGrid1" style="Z-INDEX: 103; LEFT:
56px;
POSITION: absolute; TOP: 104px"
runat="server" AutoGenerateColumns="False">
<Columns>
<asp:BoundColumn DataField="Rescuer"
HeaderText="Rescuer"></asp:BoundColumn>
<asp:TemplateColumn HeaderText="Edit
Rescuer">
<ItemTemplate>
<asp:ImageButton
runat="server" CommandName="Edit"
CausesValidation="false"></asp:ImageButton>
</ItemTemplate>
<EditItemTemplate>
<asp:Button
runat="server" Text="Update"
CommandName="Update"></asp:Button>
<asp:Button
runat="server" Text="Cancel" CommandName="Cancel"
CausesValidation="false"></asp:Button>
</EditItemTemplate>
</asp:TemplateColumn>
</Columns>
</asp:DataGrid>
<asp:Panel id="pnlEdit" style="Z-INDEX: 104; LEFT:
64px; POSITION:
absolute; TOP: 344px" runat="server"
Visible="False">
<TABLE>
<TR>
<TD>
<asp:Label id="Label1"
runat="server">Rescuer:</asp:Label>
<asp:TextBox
id="TextBox2" runat="server"></asp:TextBox></TD>
</TR>
<TR>
<TD>
<asp:Button
id="Button2" runat="server" Text="Update"></asp:Button></TD>
</TR>
</TABLE>
</asp:Panel>
</form>
</body>
</HTML>
Code---------------------------------------------------------
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace CSharpPlay
{
/// <summary>
/// Summary description for EditOnPage.
/// </summary>
public class EditOnPage : System.Web.UI.Page
{
protected System.Web.UI.WebControls.TextBox TextBox1;
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Panel pnlEdit;
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.WebControls.TextBox TextBox2;
protected System.Web.UI.WebControls.Button Button2;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
private void Page_Load(object sender, System.EventArgs e)
{
// Put user code to initialize the page here
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web
Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new
System.EventHandler(this.Button1_Click);
this.DataGrid1.ItemCommand += new
System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_ItemCommand);
this.DataGrid1.ItemDataBound += new
System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
FillGrid();
}
private void FillGrid()
{
DataGrid1.DataKeyField="ID";
DataGrid1.DataSource = DummyData();
DataGrid1.DataBind();
}
private void DataGrid1_ItemDataBound(object sender,
System.Web.UI.WebControls.DataGridItemEventArgs e)
{
}
private void DataGrid1_ItemCommand(object source,
System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
FillEditPanel((string)DataGrid1.DataKeys[e.Item.ItemIndex]);
}
private DataTable DummyData()
{
DataTable dt = new DataTable();
dt.Columns.Add("ID");
dt.Columns.Add("Rescuer");
DataRow dr = dt.NewRow();
dr["Rescuer"] ="Fred";
dr["ID"] ="1";
dt.Rows.Add(dr);
dr = dt.NewRow();
dr["Rescuer"] ="Barney";
dr["ID"] ="2";
dt.Rows.Add(dr);
return dt;
}
private void FillEditPanel(string RescuerID)
{
DataRow dr = GetRescuerInfo(RescuerID);
pnlEdit.Visible = true;
TextBox1.Text = (string)dr["Rescuer"];
}
private DataRow GetRescuerInfo(string RescuerID)
{
DataTable dt = DummyData();
DataRow[] drs = dt.Select("ID='" + RescuerID + "'");
return drs[0];
}
}
}
--
Dean Fiala
Very Practical Software, Inc
http://www.vpsw.com
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