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POUpdate Main page from user control
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  1. POUpdate Main page from user control
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    copied!<p>I have a grid view in my main page and I display some data for user(using <code>BindGrid</code> method).this grid view has some command buttons for each row that perform some operation like <code>Update</code>. when user clicks on update button I show to him/her a user control to update values.and when user clicks on update I want grid bind to new data(I want call <code>BindGrid</code> for new data). How I can do this and call a method in main page from user control?</p> <p><strong>Edit 1)</strong></p> <p>I wrote this code for user control:</p> <pre><code>public partial class SomeUserControl : System.Web.UI.UserControl { public event EventHandler StatusUpdated; private void FunctionThatRaisesEvent() { if (this.StatusUpdated != null) this.StatusUpdated(new object(), new EventArgs()); } public void Page_Load(object sender, EventArgs e) { //.... } protected void Button1_Click(object sender, EventArgs e) { FunctionThatRaisesEvent(); } } </code></pre> <p>and the designer for user control :</p> <pre><code>&lt;%@ Control Language="C#" AutoEventWireup="true" CodeFile="SomeUserControl.ascx.cs" Inherits="SomeUserControl" %&gt; &lt;asp:Button ID="Button1" runat="server" Text="Update" Height="70px" onclick="Button1_Click" Width="183px" /&gt; </code></pre> <p>and add this code for main page:</p> <pre><code>protected void Page_Load(object sender, EventArgs e) { } protected void Unnamed1_Click(object sender, EventArgs e) { SomeUserControl userControl = (SomeUserControl)LoadControl("SomeUserControl.ascx"); userControl.StatusUpdated += new EventHandler(userControl_StatusUpdated); Panel1.Controls.Add(userControl); } void userControl_StatusUpdated(object sender, EventArgs e) { GetDate(); } private void GetDate() { TextBox1.Text = DateTime.Today.ToString(); } </code></pre> <p>and designer for main page:</p> <pre><code>&lt;%@ Register src="SomeUserControl.ascx" tagname="SomeUserControl" tagprefix="uc1" %&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;head runat="server"&gt; &lt;title&gt;&lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;form id="form1" runat="server"&gt; &lt;asp:ScriptManager ID="ScriptManager1" runat="server"&gt; &lt;/asp:ScriptManager&gt; &lt;div&gt; &lt;asp:UpdatePanel ID="upd1" runat="server" UpdateMode="Conditional"&gt; &lt;ContentTemplate&gt; &lt;asp:TextBox ID="TextBox1" runat="server"&gt;&lt;/asp:TextBox&gt; &lt;asp:Button runat="server" Text="Add User Control" Height="44px" ID="Nims" onclick="Unnamed1_Click" Width="133px" /&gt; &lt;asp:Panel ID="Panel1" runat="server" BackColor="#FFFFCC"&gt;&lt;/asp:Panel&gt; &lt;/ContentTemplate&gt; &lt;/asp:UpdatePanel&gt; &lt;/div&gt; &lt;/form&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>but it does not work and nothing happend. even I add break point for click user control button code but it seems that event not raise.</p>
 

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