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If you reset the Data Source at this stage, your values for updating will be lost. I actually don't know how to write the Row Updating function, I just found it from the internet, and so of course it's not working. Please give some references and/or details of how to. Ok what's happening is that you are binding the data source for the Grid View every time a postback occurs in the Page_Load method. Count ----------- The most common problem for losing new data entered while updating a Grid View or Data Grid is that you are resetting the Data Source for the Grid View or Data Grid in the Page_Load method. I actually don't know how to write the Row Updating function, I just found it from the internet, and so of course it's not working. So what you need to do is store the data source (maybe in Session) and only bind rebind the data when you absolutely need to (Like during the Is Not Post Back) Do you understand? Please post the code for your Page_Load method and the that handles your Update (your C# code) so we can have a better look at what's going on. Please give some references and/or details of how to. This wipes out the data provided by the user during editing (editing happens after the page load).Since you are not using the datasource controls(which is a good thing), the Old Values and New Values collections will not be populated automatically.
Is Bound Using Data Source ID; Grid View Update Event Handler handler1 = (Grid View Update Event Handler) base. I must be missing something here, but I can't figure out what it is. Hi, I've have this problem before, the only solution i've found is to use only one templatefield with divs with fix width to simulate columns, and use only one Edit Item Template. In there, I enable and disable fields based on access levels etc... Couldn't figure out why but like this i can retrieve the updated values with the same code that didn't work with several Template Fields. Hi all, I have been struggling with this issue for about 6 hours. In this article, I am going to explain how to insert, update or delete a row from a grid view control. At run time, the Eval method calls the Eval method of the Data Binder object.
If you are new to using a grid control, I would recommend you to read my blogs “Using Grid View in ASP. The Eval method takes the name of a data field and returns a string containing the value of that field from the current record in the data source. If the grid is already in Edit mode, I don't need to enable/disable, logically speaking.