Hello everyone,

Does anyone knows how to get the Text, that a user entered, of a Textbox inside a repeater? I'm not able to find a solution for this problem.

It seems that I can only retrieve the Text of controls with default Text and not with databound or Text that the user entered.

I'm able to retrieve the Text of a Textbox inside a repeater with a default value i.e.:

 
<asp:TextBox id="TextBox1" runat="server">asd</asp:TextBox> 

Then in codebehind I use this:

 
System.Web.UI.WebControls.TextBox MyText=Repeater1.Items[0].FindControl("TextBox1"); 

That works well but with this code it doesn't work either:

 
<asp:Label ID="Label1" Runat="server"> 
<%# DataBinder.Eval(Container.DataItem,"Key")%> 
</asp:Label> 

 
System.Web.UI.WebControls.Label MyLabel=Repeater1.Items[0].FindControl("Label1"); 

I do get the control but with the Text empty =""

If anyone has any idea please let me know.

Here it is the html code:

 
<asp:Repeater id="Repeater1" runat="server"> 
<HeaderTemplate> 
<TABLE id="Table2" cellSpacing="0" cellPadding="0" width="300" border="0"> 
</HeaderTemplate> 
<ItemTemplate> 
<tr> 
<td><asp:Label id="Label1" runat="server"> 
<%# DataBinder.Eval(Container.DataItem,"Key")%> 
</asp:Label> 
</td> 
</tr> 
<tr> 
<td> 
<asp:TextBox id="TextBox1" runat="server"></asp:TextBox> 
</td> 
</tr> 
</ItemTemplate> 
<FooterTemplate> 
</table> 
<asp:Button id="Button1" runat="server" Text="Button"></asp:Button> 
</FooterTemplate> 
</asp:Repeater> 

And here the codebehind:

 
private void Page_Load(object sender, System.EventArgs e) 
{ 
// Put user code to initialize the page here 
if(IsPostBack) 
{ 
} 

else 
{ 
MyHashTable=new Hashtable(2); 
MyHashTable.Add("Hello",1); 
MyHashTable.Add("Bye",2); 

this.Repeater1.DataSource=MyHashTable; 
this.Repeater1.DataBind(); 
} 
} 

private void Repeater1_ItemCommand(object source, System.Web.UI.WebControls.RepeaterCommandEventArgs e) 
{ 
System.Web.UI.WebControls.TextBox MyTextBox=System.Web.UI.WebControls.TextBox)e.Item.FindControl("TextBox1"); 
System.Web.UI.WebControls.Label MyLabel=(System.Web.UI.WebControls.Label)e.Item.FindControl("Label1"); 
string mmmm=MyLabel.Text.ToString().TrimEnd(); 
mmmm=MyTextBox.Text.ToString().TrimEnd(); 
} 

private void Repeater1_ItemDataBound(object sender, System.Web.UI.WebControls.RepeaterItemEventArgs e) 
{ 
System.Web.UI.WebControls.TextBox MyTextBox=System.Web.UI.WebControls.TextBox)e.Item.FindControl("TextBox1"); 
System.Web.UI.WebControls.Label MyLabel=(System.Web.UI.WebControls.Label)e.Item.FindControl("Label1"); 
string mmmm=MyLabel.Text.ToString().TrimEnd(); 
mmmm=MyTextBox.Text.ToString().TrimEnd(); 
} 

Thanks a lot in advance

P.D: I don't want to assign a value to a textbox, I want an empty textbox so the user can enter something in there and then I want to retrieve what he wrote.

Here is the solution to your problem. For the label control change the databind expression like so ...

From

 <asp:Label ID="Label1" Runat="server"> 
 <%# DataBinder.Eval(Container.DataItem,"Key")%> 
 </asp:Label> 

To

 <asp:Label ID="Label1" Text='<%# DataBinder.Eval(Container.DataItem,"Key")%>' Runat="server" /> 

use System.Web.UI.WebControls;
...

private void Repeater1_ItemCommand(object sender, RepeaterCommandEventArgs e) 
{ 
   TextBox MyTextBox = (TextBox)Repeater1.Item[0].FindControl("TextBox1"); 
   Label MyLabel(Label)Repeater1.Item[0].FindControl("Label1"); 
   
   Response.Write(MyTextBox.Text.Trim() + "<br>");
   Response.Write(MyLabel.Text.Trim() + "<br>");
} 

Forgive me if my C# is a little off, considering i'm a VB person.

Thanks for your time but what I'd like is to retrive(get) the Text that a user wrote in a Textbox that is inside a repeater.

Thanks

Ok, I went to barnes and nobles and I started reading some books until I found the solution to my problem in this book:

Programming Microsoft ASP.Net
ISBN 0-7356-1903-4
by Dino Esposito

Chapeter 9 is the one that talks about the repeater and datalists.

Anyway here I'm posting the code so everyone that has the same problem can solve it:

<form id="Form1" method="post" runat="server">
			<asp:repeater id="Repeater1" runat="server">
				<HeaderTemplate>
					<TABLE id="Table1" cellSpacing="0" cellPadding="0" width="300" border="0">
				</HeaderTemplate>
				<ItemTemplate>
					<tr>
						<td>
							<span style="display:none;">
								<%# m_MyTextBox = (TextBox) FindTextBox(Container) %>
							</span>
							<asp:TextBox runat="server" id="TextBox1" />
						</td>
					</tr>
				</ItemTemplate>
				<FooterTemplate>
					</table>
					<asp:Button id="Button1" runat="server" Text="Button" OnClick="OnSubmit"></asp:Button>
				</FooterTemplate>
			</asp:repeater>
			<asp:Label id="Label1" runat="server">Label</asp:Label>
</form>

If you check well only this needs to be added:

<span style="display:none;">
								<%# m_MyTextBox = (TextBox) FindTextBox(Container) %>
							</span>

The codebehind code is like this:

protected System.Web.UI.WebControls.TextBox m_MyTextBox;

		private void Page_Load(object sender, System.EventArgs e)
		{
			// Put user code to initialize the page here
			if(IsPostBack)
			{
			}

			else
			{
				MyHashTable=new Hashtable(2);

				MyHashTable.Add("Hello",1);
				MyHashTable.Add("Bye",2);

				this.Repeater1.DataSource=MyHashTable;
				this.Repeater1.DataBind();
			}
		}

			#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.Load += new System.EventHandler(this.Page_Load);

			}
			#endregion

		protected System.Web.UI.WebControls.TextBox FindTextBox(System.Web.UI.Control container)
		{
			System.Web.UI.WebControls.TextBox MyT=(System.Web.UI.WebControls.TextBox)container.FindControl("TextBox1");

			return MyT;
		}

		protected void OnSubmit(object sender, EventArgs e)
		{
			TextBox MyT = (TextBox) Repeater1.Items[0].FindControl("TextBox1");
			Label1.Text=MyT.Text;
		}

And here is the version without codebehind for the one that dont like it:

<%@ Page language="c#" %>
<HTML>
	<HEAD>
		<title>WebForm4</title>

		<SCRIPT runat="server">
    
    TextBox m_MyTextBox;
    
    public void Page_Load(object sender, EventArgs e)
    {
		if(IsPostBack)
		{
		}
		
		else
		{
			BindData();
		}
    }
    
    private void BindData()
    {
		Hashtable MyHashTable;
		
		MyHashTable=new Hashtable(2);

		MyHashTable.Add("Hello",1);
		MyHashTable.Add("Bye",2);

		this.Repeater1.DataSource=MyHashTable;
		this.Repeater1.DataBind();
    }
    
    private TextBox FindTextBox(Control container)
    {
		TextBox MyT = (TextBox) container.FindControl("TextBox1");
		
		//if (MyT == null)
		//	return null;
		
	// Must anticipate the state restoration here. When this function executes we're
	// in the middle of the DataBind call on the given RepeaterItem object and 
	// before the ItemDataBound event fires. At this time, the Checked property of the 
	// CheckBox (as well as the Text property of a TextBox) has not been updated yet.
		//ctl.Checked = (Page.Request.Form[ctl.UniqueID]=="on");
	
		return MyT;
    }
    
    private void OnSubmit(object sender, EventArgs e)
    {
		TextBox MyT = (TextBox) Repeater1.Items[0].FindControl("TextBox1");
		Label1.Text=MyT.Text;
    }
		</SCRIPT>
	</HEAD>
	<body MS_POSITIONING="FlowLayout">
		<form id="Form1" method="post" runat="server">
			<asp:repeater id="Repeater1" runat="server">
				<HeaderTemplate>
					<div style="background-color:yellow;"><big><b>Customers</b></big></div>
					<small>Check and refresh to see more information</small><br>
				</HeaderTemplate>
				<ItemTemplate>
					<span style="display:none;">
						<%# m_MyTextBox = (TextBox) FindTextBox(Container) %>
					</span>
					<asp:TextBox runat="server" id="TextBox1" />
				</ItemTemplate>
				<FooterTemplate>
					<asp:Button id="Button1" runat="server" Text="Button" OnClick="OnSubmit"></asp:Button>
				</FooterTemplate>
			</asp:repeater>
			<asp:Label id="Label1" runat="server">Label</asp:Label></form>
	</body>
</HTML>