Forms Data Controls :: Data Context And Repeater?
Nov 5, 2010
I set the Databinding of a repeater to a list of classes i.e. List<Message>, I have used the ItemCommand event before to pull out individual ID's etc based on the CommandArgument, however is it possible to make the class itself the CommandArgument instead of one of its properties, this way I have them all at my disposal.For example say I have a list of messages and within the repeater I have this:
[Code]....
However I want to pass the Message class as the argument instead, can this be done?
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May 12, 2010
protected void Page_Load(object sender, EventArgs e)
[Code]....
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Oct 4, 2010
I have an aspx page containing a number of asp:Repeater Controls.Im not using the default code-behind file that is generated, ive changed this to file in a different folder.In the code-behind, i populate the repeater controls, all was workign fine until i added another repeater control to the aspx page.In the code-behind, the intellisense picks up this control and i can access its methods and properties to set the datasource and bind the data. However, when i go to build the project, i get an error "The name Repeater1 does not exist in the current context"Firstly, all the other repeater controls, declared in exactly the same way, do not throw throw this error.Secondly, yes the repeater does have a runat="server" tag.Thirdly, It is not inside any other controls.I have tried various different methods of accessing this repater instead of just "Repeater1." but each returns null:
Repeater r1 = (Repeater)Page.FindControl("Repeater1") ;
Repeater r1 = (Repeater)Page.Master.FindControl("Repeater1");
Repeater r1 = (Repeater)Master.FindControl("Repeater1") ;
Ive no idea why this "doesnt exist in the current context" as all the other controls on this page do, even if i create a literal i get the same problem.
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Jan 31, 2010
got an example of a repeater inside a repeater (dataBound) code behind?
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Jan 18, 2010
I have a user control that displays a shopping cart in an ecommerce application.
The main cart display is a repeater that renders as a html table. In one of those table columns, there is another repeater to display people associated with the products int he cart (it's a repeater in case there is a line item >1 with multiple people).
I've added an ImageButton that I want to use to change the person associated with the item. At first, when I'd click on it I was getting this error:
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
So as an experiment I disabled EventValidation on the page (not the control it's self) and now I do not get an error, but I also do not ever hit the breakpoint I set in the innermost repeater's ItemCommand event.
So I wonder how I might do this without disabling EventValidation, because this control will show up on multiple pages and we don't want to edit them all. Also, I'll need to know not only the repeater containing the control's row that the event came from but also the row index of the repeater containg this one. Is this possible?
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Jul 12, 2010
I have repeater in which I have 2 hyperlink in the footer of the repeater and I want that the hyperlink can navigate from the page_load
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Jun 17, 2010
I want to bind parent repeater item index in child repeater control using inline code not code behind side.
For example
[Code]....
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May 25, 2010
I'm so confused I wasn't even sure what to make the title so that it would make sense.
Here is what I have:
[code]...
I have links at the top of the page that are the letters A-Z. What I want to do is click on one of the letters, then show only the div IDs that start with that letter. I can't figure out how to do this since I'm dynamically creating the ID names. I had it set up nicely with Javascript and CSS, but the function call was inside the repeater. The layout is changed now, and I don't understand how to make the div ID available outside the repeater.
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Feb 6, 2011
I am using Nested Repeater repeater1 and repeater2 in my project . one button is there inside repeater2 but i cant use that button using e.commandname
so how to use that button and how to write code on it.
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Nov 12, 2010
what changed do I need to make to my code for it to achieve what I'm after.
At the moment I am getting a "cannot cast to type" error message with the below code.
I have also tried calling the ItemDataBound method in with the parent repeater tags and had no errors but when I clicked on the button it would just move back to the top of the page and would not hide or show any data. Also I have made the div style to none but the first record still shows its child but the rest don't.
[code].....
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Jun 6, 2010
I have a many to many table in my database called PeopleLanguage
PeopleId, pk and Languags pk each go to the own table People and Language
I know make a method call with my objectdatasource GetPeopleByLanguageId
This returns the languages that the selected person speaks and has a select
query also to lanaguageTable to get LanguageName.
I now print out the results in a datalist that is binding to LanguageName.
What i want to do is show the languages in a horizontal format with a comma after each one.
At the moment if there are 3 languages it shows each one on a seperate line / if I make it horizontal
layout I still dont get a comma. Perhaps I can use a repeater?
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Jun 16, 2010
I have a dropdownlist as defined on a page in the following way:
<asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False"
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Mar 1, 2010
how can I add context menu in gridview rows
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Oct 15, 2010
in my web page gridview is there
how to select row with out using select command ,how i can select row and right click event
in right click event context menu display is there possible using server side coding r we can use client side programming
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Oct 19, 2010
I am trying to change the NavigateURL property in the code behind file however I get the error "The Name Hyperlink1 does not exist in the current context"
This is my code behind:
[Code]....
And this is my ASP.Net Page:
[Code]....
I can reference other controls such as dropdownlist1 however hyperlink controls do not work.
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Jun 27, 2010
Compiler Error Message: CS0103: The name 'LabeClientID' does not exist in the current context
I have a label in my grid view. I am writing the text value for this label in the page load event. This value is used in creating a link in the grid view (Bold code). Why am I getting compiler error?
How do I accomplish this?
<asp:GridView ID="gvConcurrentCases" runat="server"
EmptyDataText="No Concurrent cases Found"
AutoGenerateColumns="False" EnableViewState = "true" >
<Columns>
[Code]....
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Feb 2, 2011
I have added Datalist in .aspx page when when i am trying to access it on .aspx.cs file I get an errory saying Datalist1 does not exist in curretn context?
<asp:DataList ID="DataList1" runat="server" CellSpacing="3" RepeatDirection="Horizontal"
ShowFooter="False" ShowHeader="False" Width="100%">
<ItemTemplate>
<div class="book_div">
[Code].....
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Dec 17, 2012
How To presist data using spring cotext in C# asp.net enviorn ment.
I have a class with username and user id properties.
at the time of loging i am creating class object and assinging values to properties.
Now i want to presist this object in Spring context. is it possible if Yes How?
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Jan 18, 2011
I am using a repeater to get data from database in list of (Label) .. After that I want to use this list to get data from another table ,,
What is the best way to do this?
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Nov 18, 2010
anyone show the simplest way to implement context menus for the treeview in the content page?My treeview is inside Panel and I think I need to use javascript file for the context menu. But I have no idea about using javascript for the context menu.Do I need to keep .js file in Master page and call it from content page?
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Mar 9, 2010
I have a big problem...I have made a page has a Data FormView controland the insert template of this Formview control has DropDownList to allow the user to choose section (SectionsDDList)..and there's also another DropDownList allow the user to choose a teacher (TeachersDDList)...more infothe SectionsDDList get the section list from SqlDataSource control which the "Select Command" of is:"SELECT section_id,section_id FROM sections"the TeachersDDList get the teachers list from another SqlDataSource control which the "Select Command" of is:"SELECT teacher_id,teacher_name FROM teachers WHERE (section_id = @section_id)"finallyI want the TeachersDDList to be filled with teachers according to the selected section from the SectionsDDList...So,I enable the Auto postBack function of the SectionsDDListand add the next code for the SectionsDDList_SelectedIndexChanged event:TeachersDataSource.SelectParameters["section_id"].DefaultValue = ((DropDownList)sender).SelectedValue;be aware that both of the SectionsDDList & TeachersDDList have been Bounding to a column...and the problem I have faced is that:Exception Details: System.InvalidOperationException: Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control.maybe you want to know the Stack Trace:[InvalidOperationException: Databinding methods such as Eval(), XPath(), and Bind() can only be used in the context of a databound control.]
System.Web.UI.Page.GetDataItem() +93
System.Web.UI.TemplateControl.Eval(String expression) +33
ASP.cpanel_managecourses_aspx.__DataBinding__control82(Object sender, EventArgs e) in
[code]...
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Feb 12, 2010
I have the following ItemTemplate in Repeater1
[code]....
How do I insert the value of ListID into the query string?
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Feb 3, 2011
I have a repeater that has a delete button in it.When the delete button is clicked the panel updates and returns, then the row is deleted.So the deleted row stays in the repeater until i navigate away and then come back to the page. I commented out the update panel and all is good except i really want the update panel as the flicker is not pritt
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Feb 7, 2011
sample SQL data:
table1:
eid ename
1 vijay
2 shankar
table 2:
id eid sal
1 1 4000
2 1 3000
3 2 2000
i want to bind the below data format in repeater.
vijay
4000
3000
shankar
2000
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Feb 27, 2010
I have a gridview which is present inside a repeater. I have been successful in displaying the data inside the grid view. Now I want to fetch data from the gridview. But i have not been able to fetch the data from the grid view.
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