Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

repeater control - get values

Posted on 2011-03-18
4
Medium Priority
?
511 Views
Last Modified: 2012-05-11
I have a repeater control laid out as shown in the code attached.

Now, if the user clicks on the lnkRemoveCategory button I need the value of "Path" passed to a asp.net code procedure so that I can do some stuff.

How?
<asp:Repeater ID="rpCategories" runat="server">
                                        <ItemTemplate>                                                                         
                                           <font size="2"><%#Eval("Path")%> &nbsp;&nbsp;&nbsp;&nbsp;
                                               <asp:LinkButton ID="lnkRemoveCategory" runat="server">Remove</asp:LinkButton></font> 
                                           <hr />
                                     
                                    </ItemTemplate>
                                
                                </asp:Repeater>

Open in new window

0
Comment
Question by:vbnetcoder
  • 2
  • 2
4 Comments
 
LVL 33

Expert Comment

by:Todd Gerbert
ID: 35169970
You can set the CommandArgument of the LinkButton to <%# Eval("Path") %>, and then handle the LinkButton's "Command" event.

http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.linkbutton.commandargument.aspx#Y760

<script runat="server">
    private void lnkRemoveCategory_Command(object sender, CommandEventArgs e)
    {
        string path = (string)e.CommandArgument;
    }
</script>

<asp:Repeater ID="rpCategories" runat="server">
  <ItemTemplate>                                                                         
      <font size="2"><%#Eval("Path")%> &nbsp;&nbsp;&nbsp;&nbsp;
      <asp:LinkButton ID="lnkRemoveCategory" runat="server" CommandArgument='<%# Eval("Path") %>' OnCommand="lnkRemoveCategory_Command">Remove</asp:LinkButton></font> 
      <hr />                                  
  </ItemTemplate>                                
</asp:Repeater>

Open in new window

0
 

Author Comment

by:vbnetcoder
ID: 35169985
Could it call a code behind function?
0
 
LVL 33

Accepted Solution

by:
Todd Gerbert earned 2000 total points
ID: 35170321
That is code-behind. Putting the C# in a <script runat="server">...</script> tag lets you put code-behind statements in the same file as the HTML markup, and skip the separate .aspx.cs file. I just did it that way so there was only one code snippet, thought it'd be easier to read.

Default.aspx:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
	<title></title>
</head>
<body>
	<form id="form1" runat="server">
	<div>
		
		<asp:Repeater ID="rpCategories" runat="server" DataSourceID="testDataSource">
			<ItemTemplate>
				<font size="2">
					<asp:Label ID="pathLabel" runat="server" Text='<%# Eval("JobTitle") %>' />
					<br />
					<asp:LinkButton ID="lnkRemoveCategory" runat="server" CommandArgument='<%# Eval("JobTitle") %>'
						OnCommand="lnkRemoveCategory_Command" Text="Remove" />
				</font>
				<hr />
			</ItemTemplate>
		</asp:Repeater>
	</div>
	<asp:SqlDataSource ID="testDataSource" runat="server" ConnectionString="Data Source=.\SQLExpress;Initial Catalog=TestDB;Persist Security Info=True;User ID=sa"
			ProviderName="System.Data.SqlClient" SelectCommand="SELECT * FROM [JobTable]" />
	</form>
</body>
</html>

Open in new window


Default.aspx.cs:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;

/// <summary>
/// Summary description for Default
/// </summary>
public partial class _Default : Page
{
	protected void lnkRemoveCategory_Command(object sender, CommandEventArgs e)
	{
		string path = (string)e.CommandArgument;

		using (SqlConnection cnx = new SqlConnection(@"Data Source=.\SQLExpress;Initial Catalog=TestDB;Persist Security Info=True;User ID=sa"))
		{
			cnx.Open();
			using (SqlCommand cmd = cnx.CreateCommand())
			{
				cmd.CommandText = "DELETE FROM JobTable WHERE JobTitle = @jobtitle";
				cmd.Parameters.AddWithValue("@jobtitle", path).DbType = System.Data.DbType.String;
				cmd.ExecuteNonQuery();
			}
			cnx.Close();
		}

		rpCategories.DataBind();
	}
}

Open in new window

0
 

Author Closing Comment

by:vbnetcoder
ID: 35171630
Thank you!
0

Featured Post

[Webinar] Cloud Security

In this webinar you will learn:

-Why existing firewall and DMZ architectures are not suited for securing cloud applications
-How to make your enterprise “Cloud Ready”, and fix your aging DMZ architecture
-How to transform your enterprise and become a Cloud Enabler

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

It’s quite interesting for me as I worked with Excel using vb.net for some time. Here are some topics which I know want to share with others whom this might help. First of all if you are working with Excel then you need to Download the Following …
ASP.Net to Oracle Connectivity Recently I had to develop an ASP.NET application connecting to an Oracle database.As I am doing it first time ,I had to solve several problems. This article will help to such developers  to develop an ASP.NET client…
This course is ideal for IT System Administrators working with VMware vSphere and its associated products in their company infrastructure. This course teaches you how to install and maintain this virtualization technology to store data, prevent vuln…
Want to learn how to record your desktop screen without having to use an outside camera. Click on this video and learn how to use the cool google extension called "Screencastify"! Step 1: Open a new google tab Step 2: Go to the left hand upper corn…
Suggested Courses

916 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question