My previous ASP. This tip demonstrates how to work with the fields and data within the Repeater. Each time a data record is added to the Repeater control, an ItemDataBound event is fired. Within the event, you can access the controls that are created, as well as the data being bound to the row.
This feature enables you to do a variety of things, such as change the data going in, add attributes to controls, and so forth. The first thing to do is to register for ItemDataBound events on your repeater control, which I prefer to do in the OnInit event of the page. Here's the code to do that:. Each item will generate an ItemDataBound event, but you will also get events for other types of items, including the header and footer.
As a result, you need to protect your code by checking the ItemType before trying to do any work. The following code adds the confirmation dialog:.
This code looks for Item or AlternatingItem rows, finds the btnDelete control using the FindControl method, and then adds the onclick attribute to the Attributes collection. This is a handy way to protect the user from doing something dangerous.
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Nutanix Frame. Today This Week All-Time. There have been no articles posted today. NET 4 Common. Thanks for your registration, follow us on our social networks to keep up-to-date.Last post Oct 06, PM by Rich dvc. I have added a linkbutton to the repeater so that when I populate the repeater with table data - there is a link button with every row.
I want to retrieve the rowID value of a selected record in the repeater when I click on the linkbutton. How do I accomplish this? I am thinking I could loop through the underlying datatable of the repeater.
But how do I know what row to search for? I just wasn't sure how to implement that. I will try your suggestion and post back the results. Thank you for your reply. Oct 06, PM tonykmathew gmail. I am using eval in the markup. If I don't enclose in quotes I can see rowID values on label. But when I add your code behind I get error. If I enclose eval in quotes in markup I get an error.
If you don't need the integer value of the rowidthen the following lines:.
Write " I just had to change the double quotes to single quotes for the eval. Then in the codebehind I just needed to cast the repeaterItem as a repeaterItem.
How to access underlying row in ItemDataBound event
I have what is probably a simple question but I can't find the answer for it yet. I have a Repeater bound to a Datatable. In the OnItemDataBound event controller in the Code Behind I am trying to pull a value from one of the DataSource fields that is not bound to a control that is part of the repeater.
If it was bound to a label control, for example I could just do e. FindControl "lblCost". I see an e. DataItem "fieldname".
Can I reference the bound Datasource here somehow? Thanks for your answers Apr 19 ' Post Reply. Share this Question. You are along the right lines Eval DI, "FieldName". ToString ; I don't know how efficient this is, but it works for me. Thinking more about it, you might be able to do Eval e.Home Categories. Net using C and VB. I have made use of the following table Customers with the schema as follows. I have already inserted few records in the table. Note : You can download the database table SQL by clicking the download link below.
Download SQL file. HTML Markup. You will need to import the following namespaces. Imports System. Populating Repeater control from database in ASP.
Inside the Page load event handler, the Repeater is populated with the records from the Customers table. BindRepeater. ConnectionStrings[ "constr" ].How to fire Itemcommand by dropdownlist in datalist in asp net
Fill dt. DataBind. If Not Me. IsPostBack Then. End If.
End Sub. Private Sub BindRepeater. ConnectionStrings "constr".Posted 08 Jul Link to this post. Posted 09 Jul Link to this post. Posted 12 Jul Link to this post. Posted 22 Oct Link to this post.
How to access underlying row in ItemDataBound event
Posted 23 Oct Link to this post. All Products.
Change grid values on itemdatabound Cancel The title field is required! Feed for this thread. Member since: Feb Posted 08 Jul Link to this post I have a grid bound to a datasource.
However, I have a settings page where the user can specify the number of characters to be displayed for any field in the grid. I want to trim the column value based on that setting before the grid is displayed.
Any suggestions how I can do that. Member since: Mar Posted 09 Jul Link to this post Hello, One approach is by using Substring methodyou can display a specified number of characters in a cell value.
Item is GridDataItem. Substring 0, count. Posted 09 Jul Link to this post Hi Princy. Text returns empty string. ToString. Then after executing your code to customize the value, assign new value to TemplateColumn's TableCell by using its 'UniqueName'. Member since: Sep Posted 22 Oct Link to this post I want to truncate the text which is in html format. Do you have suggestion for that.
Using the below method all html gets messed up inside RadGrid. Posted 23 Oct Link to this post Hi ShaneUlker, Please take a look into the following code snippet i tried to show only the text inside an html tag. Empty. Back to Top.Sometimes, we may require getting all or some column values of a data row in ItemDataBound event for some manipulations. For example, there will be scenarios where we will not show the primary key field of table row to the users whenever we use the above databound controls to display data.
In this case, if we want to access the primary key field or any column data in ItemDatabound event which is not shown to user but still available in the DataTable object or a collection that is binded to the databound controls, one can use the DataItem property. The DataItem e. DataItem in ItemDataBound event will return the data row with all column values of the current row.
Item e. NetCCodeDigest. How to search a folder or file under a directory using wildcard in C? Net DropDownList. Net TextBox Using jQuery. How to split string using C? How to check if a String is Integer in C? Part 2. Net C ASP. Net MVC jQuery. Submitted By Bala Murugan. Tags: ASP. Do you have a working code that can be used by anyone?
Submit it here. It may help someone in the community!! Recent Codes. View All Codes. All articles are posted "AS IS" with no warranties. All articles are posted for educational purpose only and individual authors are responsible for their article. Please mail admin codedigest.Posted 01 Sep Link to this post.
I respond to the ItemDataBound event and retrieve an ID from the row which is my key to the other processing logic.
Posted 03 Sep Link to this post. Posted 09 Sep in reply to Viktor Tachev Link to this post. Posted 14 Sep Link to this post. All Products. Feed for this thread. Member since: Apr Posted 01 Sep Link to this post I have a grid which needs some adjustments to a display column. I do not want this column to be displayed to the user. Answer Viktor Tachev Admin. Posted 03 Sep Link to this post Hello TomicaNote that when the Visible property of a column is set to false it is not rendered.
Moreover, the values from that column are not available. In order to retrieve the values and keep the column hidden you have couple of options. Item is GridDataItem. Item as GridDataItem. Do you want to have your say when we set our development plans? Do you want to know when a feature you care about is added or when a bug fixed? Explore the Telerik Feedback Portal and vote to affect the priority of the items. Viktor Tachev Admin.
RadGrid - Accessing a cell on ItemDataBound
Thus, the information from that column is not available. This change was introduced in the Q1 release in order to improve performance. You can read more about the change in the following thread. Back to Top.