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<html>
<head>
<title>GridView UpdateRow Example</title>
<link rel="stylesheet" href="/shared/netdemos.css">

<script runat="server" language="C#">

   void updateRow ( Object src, EventArgs e ) {
      // programmatically update the current record in edit mode.
      msgsGrid.UpdateRow ( msgsGrid.EditIndex, true );
      updateRowButton.Enabled = false;
   }

   void enableUpdateButton ( Object src, GridViewCommandEventArgs e ) {
      // enable the updateRowButton only when the GridView control is in edit mode.
      updateRowButton.Enabled = e.CommandName == "Edit";
   }

</script>
</head>

<body>
<!-- #include virtual="~/shared/top.inc" -->
<div class="header"><h2>GridView <span class="hilite">UpdateRow</span> Example</h2></div>
<hr size=1 width=92%>

<form runat="server">
<div align="center">

   <p><asp:button id="updateRowButton"
      text="Update Row"
      enabled="false"
      onclick="updateRow"
      runat="server" /></p>

   <asp:gridview id="msgsGrid" runat="server"
      datasourceid="messages"
      datakeynames="MessageID"
      width=80% cellpadding=5
      allowpaging
      autogeneratecolumns="false"
      autogenerateeditbutton
      onrowcommand="enableUpdateButton">

      <headerstyle backcolor="steelblue"
         forecolor="beige" />

      <rowstyle verticalalign="top" />

      <editrowstyle backcolor="lightgreen" />

      <columns>
         <asp:boundfield headertext="From"
            datafield="messagefrom" />

         <asp:boundfield headertext="Email"
            datafield="email" />

         <asp:boundfield headertext="Subject"
            datafield="messagesubject" />

         <asp:boundfield headertext="Message"
            datafield="messagebody"
            itemstyle-width=200
            itemstyle-wrap />
      </columns>

   </asp:gridview>

   <asp:sqldatasource id="messages" runat="server"
      selectcommand="SELECT * FROM aspx_messages"
      updatecommand="UPDATE aspx_messages SET 
         MessageFrom=@MessageFrom, Email=@Email, MessageSubject=@MessageSubject, MessageBody=@MessageBody 
         WHERE MessageID=@MessageID"
      connectionstring="<%$ ConnectionStrings:aspnet %>" />

</div>

</form>

<hr size=1 width=92%>
<!-- #include virtual="~/shared/viewsrc.inc" -->

</body>
</html>