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03.28.2006 at 12:19PM PST, ID: 21792512
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6.6

How do I add an onclick event to a dynamically created button in C#/ASP.NET?

Asked by digitalconvict in .NET

Tags: , , , ,

I have the following method:

            private void RenderActionTable()
            {
                  User user = GetCurrentUser();
                  if(!user.IsAdmin)
                        return;

                  TableRow row = new TableRow();
                  Button btnAdmin = new Button();
                  btnAdmin.Text = "Admin";
                  btnAdmin.Click += new EventHandler(btnAdmin_Click);
                  btnAdmin.ID = "btnAdmin";
                  TableCell cell1 = new TableCell();
                  cell1.Controls.Add(btnAdmin);
                  row.Cells.Add(cell1);
                  actionTable.Rows.Add(row);
            }

Note: actionTable is a preExisting Table control.

If I call this method from Page_Load() or OnInit(), the button renders just fine, but it never has the eventHandler linked to it.  All I see in the rendered HTML is:

<table id="actionTable" class="actionTable" border="0">
      <tr>
            <td><input type="submit" name="btnAdmin" value="Admin" id="btnAdmin" /></td>
      </tr>
</table>

So why does ASP.NET not add the button event handler ("btnAdmin_Click") that I defined when it renders the button control?Start Free Trial
[+][-]03.28.2006 at 12:50PM PST, ID: 16314751

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About this solution

Zone: .NET
Tags: event, button, onclick, click, dynamic
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Solution Provided By: GranMod
Participating Experts: 3
Solution Grade: A
 
 
 
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