C# - Find A Label In A Asp Repeater?
Jun 9, 2010
Structure of my asp: repeater
repeater
updatePanel
label1 (rating)
button (updates rating)
some_picture (thing being rated)
/update panel
/repeater
Imagine the output of the above repeater containing 100 rows. (1 label, and 1 button on each row).
Goal: when I click the button, I want the appropriate label to be updated. I dont know how to do this.
I can reference a label via:
Label myLabel2Update = (Label)Repeater1.Controls[0].Controls[0].FindControl("Label1");
But ofcourse, it will be the same label each time (not necessarily the label that needs to be updated). I need to update the label that is on the same row as the button.
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Mar 4, 2010
<asp:Repeater ID="rp1" runat="server">
<ItemTemplate>
<ul>
<li>
<%#Module(Convert.ToInt32(Eval("id")),Eval("university").ToString()) %>
<asp:Repeater ID="rp2" runat="server">
<ItemTemplate>
<ol>
<li id="sublist" runat="server">
<%#Eval("college") %>
</li>
</ol>
</ItemTemplate>
</asp:Repeater>
</li>
</ul>
</ItemTemplate>
</asp:Repeater>
C# CODE
public string Module(int id,string university)
{
con = new SqlConnection(ConStr);
con.Open();
cmd = new SqlCommand("SELECT college FROM tbluniversity where id=" + id, con);
da = new SqlDataAdapter(cmd);
con.Close();
ds = new DataSet();
da.Fill(ds);
//Here I want to find the inner repeator of current row then bind this dataset to that.
how to find Repeater
return university;
}
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Jan 27, 2010
I want to know how I can reach my label inside my repeater.
I try in pageload like this but it is not recognized:
LblCur3.Text =
[Code]....
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Jul 2, 2010
I tried this technique as suggested on another forum and a couple of other things, suggested on SitePoint as well as others but to no avail. Im trying to find the Label in the repeater to display information depending on the output. However I was presented with the following error:
"Index was out of range. Must be non-negative and less than the size of the collection.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index"
It highlights the problematic script as:
Label lblStatus = rptGeneralEnq.Items[0].FindControl("lblStatus") as Label;
I'm trying to access the Label, in the repeater, so that depending on if the text origionally displays true or false (as the label grabs the 'bit' datatype for that record to display) to then change the text to something more appropriate (completed/outstanding) - if at all possible.
Heres my attempt:
C#:
Csharp Code:
[code]....
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Feb 19, 2010
I am using a reapter control and there is one label within the Header Template of the Reapter.But
I want to change the text of the label at run time on the click of my radio button.
But label within the reapter is not directly accessible ..
How to get the label frmo repater control.
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May 7, 2015
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Jan 7, 2011
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Jun 9, 2010
<asp:Repeater ID="Repeater2" runat="server">
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>
<asp:Button ID="Button2" runat="server" Text="Button" />
</ItemTemplate>
</asp:Repeater>
Lets say I have the above situation, and I need to update the appropriate label based upon which button is clicked. I have no idea how to do this. I can find a label via: (Label)Repeater2.Controls[0].Controls[0].FindControl("Label1");
But that only gives me the same label each time (so no matter which button I click the same lablel gets updated). How would I find the correct label to update?
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Feb 4, 2010
how can i set the max-width of the label field, and use multiple line if the text length larger than max-width in the templateitem of repeater. i set the width to 10, but can't fix the length.
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Jul 9, 2010
I have a repeater set up which takes all records from a SQL DB table and displays. One of the items in this repeater is a Label. The Label's job is to display the 'Responded' field of the database, which is a 'bit' Datatype.
However, when the label displays naturally, it will show TRUE or FALSE. As this is not appropriate for the end-user they would prefer If True = Completed and if False = Outstanding.
I have written the script to do this in an ItemDataBound field, so that (hope my understanding of itemdatabound is correct), everytime a record is found it checks to see what the value is in responded field and 'if true then do X else do Y'.
However, when I have ran it through debug mode it shows that the Label Text of the label is just "". Therefore it will always show 'Outstanding'. In addition, the AssociatedControlID is also blank (""), although I am unsure whether this would present a problem or not.
C#:
[Code]....
ASPX:
[Code]....
If any extra information is required I'll do my best to provide it.
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Jan 5, 2010
I have a method that needs to find the repeater control to add data. I try the code below, but keep getting an error "not set to an instance of an object."
hyp = (HyperLink)Repeater1.FindControl("orderID");
hyp.ID = docName;
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Dec 7, 2010
why this code would not find the label? It is in an update panel, if that matters. I put in a breakpoint and it was not found.
[Code]....
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Jan 22, 2010
am using C# ASP. NET 2.0. I have a string that has 4 parts that are separated by a '_' and here is what I want to do:Find the 3rd part of the string and change '-' to '/' in that string.Example: The string may be as shown: 100_John Doe_01-22-2010_08-00-00.txtI want to be able to pull out the date - in this example it is 01-22-2010, and then change the '-' in that string to '/' and display the
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Jan 20, 2011
I am trying to find my label control in a repeater and I thought I did this correctly but I came up with an error message:
Compiler Error Message: CS0165: Use of unassigned local variable 'okcEventDate'
Source Error:
[Code]....
Here's my code:
[Code]....
Is it not finding my control? If not, can someone tell me how to find the label control?
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[code]...
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date.Text = dateforloop.ToString().Substring(0);
[Code].....
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Mar 28, 2011
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AutoSize="None"
FadeTransitions="true"
TransitionDuration="250"
FramesPerSecond="40"
[Code].....
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Mar 25, 2011
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[Code]....
I have tried the following things and still getting the message the the object reference not set to an instance:
[Code]....
[Code]....
[Code]....
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[Code]....
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Apr 14, 2010
I have a label control inside of repeater and I can't seem to get FindControl to locate the label inside of the repeater or even the repeater itself. I'm not sure what I'm doing wrong here. OnItemDataBound is firing because "hello1" is being written but if I put anything inside of the For Next loop of rptMarketFundamentals, nothing is run inside of it.
<asp:Repeater id="rptMarketFundmentals" runat="server" DataSourceID="dsMarketFundamentals" OnItemDataBound="rptMarketFundamentals_ItemDataBound">
<asp:Label ID="lblOwnershipCategory" runat="server" Text='<%# Eval("OwnershipCategory") %>' />
</asp:Repeater>
Sub rptMarketFundamentals_ItemDataBound(ByVal Sender As Object, ByVal e As RepeaterItemEventArgs)
Response.Write("hello1") 'this works
Dim dataItem As RepeaterItem
For Each dataItem In rptMarketFundmentals.Items
Response.Write("hello2") 'this does not work
Dim lblOwnershipCategory As Label = CType(dataItem.FindControl("lblOwnershipCategory"), Label)
If lblOwnershipCategory.Text.ToLower = "family firm" Then blOwnershipCategory.CssClass = "highlight"
End If
Next
End Sub
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