Rowupdating old

05-Jul-2017 22:52 by 10 Comments

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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).

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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. w=800" src="https://taditdash.files.wordpress.com/2014/06/debugger-inside-gridview-rowupdating-event.png? w=800&h=359" alt="Debugger Inside Grid View Row Updating Event" width="800" height="359" class="size-full wp-image-328" srcset="https://taditdash.files.wordpress.com/2014/06/debugger-inside-gridview-rowupdating-event.png? w=230" src="https://taditdash.files.wordpress.com/2014/06/gridview-on-browser.png? w=800" alt="Grid View on Browser" class="size-full wp-image-335" srcset="https://taditdash.files.wordpress.com/2014/06/230w, https://taditdash.files.wordpress.com/2014/06/gridview-on-browser.png? w=416" src="https://taditdash.files.wordpress.com/2014/06/gridview-cell-showing-updated-value.png? w=800" alt="Grid View Cell Showing Updated Value" class="size-full wp-image-331" srcset="https://taditdash.files.wordpress.com/2014/06/416w, https://taditdash.files.wordpress.com/2014/06/gridview-cell-showing-updated-value.png? w=694" src="https://taditdash.files.wordpress.com/2014/03/demo-cancel-gridview-edit-on-escape-keypress.gif? w=800" alt="[DEMO] Cancel Grid View Edit on Escape Key Press" class="size-full wp-image-202" /First Row in Edit Mode " data-medium-file="https://taditdash.files.wordpress.com/2014/03/first-row-in-edit-mode.jpg? w=300" data-large-file="https://taditdash.files.wordpress.com/2014/03/first-row-in-edit-mode.jpg? w=150 150w, https://taditdash.files.wordpress.com/2014/03/first-row-in-edit-mode.jpg? w=300 300w" sizes="(max-width: 607px) 100vw, 607px" /First Row Cancel Button Source HTML " data-medium-file="https://taditdash.files.wordpress.com/2014/03/first-row-cancel-button-source-html.jpg? w=300" data-large-file="https://taditdash.files.wordpress.com/2014/03/first-row-cancel-button-source-html.jpg? w=800&h=246 800w, https://taditdash.files.wordpress.com/2014/03/first-row-cancel-button-source-html.jpg? w=150&h=46 150w, https://taditdash.files.wordpress.com/2014/03/first-row-cancel-button-source-html.jpg? w=300&h=92 300w, https://taditdash.files.wordpress.com/2014/03/first-row-cancel-button-source-html.jpg? w=768&h=237 768w, https://taditdash.files.wordpress.com/2014/03/first-row-cancel-button-source-html.jpg? w=1024&h=315 1024w, https://taditdash.files.wordpress.com/2014/03/1081w" sizes="(max-width: 800px) 100vw, 800px" / I am not writing the Update Event code here as it is not important in our discussion.If we move our mouse on to the variables, which hold the cell values, we can see the old value instead of new updated value (Refer the debugging Screen Shot at the Top). We will use the following code in order to check the Event . NET Framework Active Server Page Ajax Ajax Control Toolkit Ajax Web Method ASP ASP.To Upper " Table" End Sub Private Sub dgv_Ref Tables_Row Canceling Edit(By Val sender As Object, By Val e As System.To cancel the update operation, set the collections, if necessary, before the values are passed to the data source. hello my problem was that my gridview editable controls heep their old values. this is due to the grid view binding in the page_load method after every post back.

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?

// Iterate through the New Values collection and HTML encode all // user-provided values before updating the data source. New Values) guru_sami, sorry it took me so long to get back, I have been off on vacation and just got back, but yes you are right on, I went back and debugged the entire postback and it was rebinding the grid on postback on the page_load event.

Please help me with writing a Row Updating function in C#, I don't know how to grab the current field's value and also get the old value for one of keys (which is Project Name for editing) of the selected row. the idea wa to don't allow binding the grid view after a post back.

w=607" src="https://taditdash.files.wordpress.com/2014/03/first-row-in-edit-mode.jpg? w=800" alt="First Row in Edit Mode" class="size-full wp-image-195" srcset="https://taditdash.files.wordpress.com/2014/03/607w, https://taditdash.files.wordpress.com/2014/03/first-row-in-edit-mode.jpg? w=800" src="https://taditdash.files.wordpress.com/2014/03/first-row-cancel-button-source-html.jpg? w=800&h=246" alt="First Row Cancel Button Source HTML" width="800" height="246" class="size-full wp-image-196" srcset="https://taditdash.files.wordpress.com/2014/03/first-row-cancel-button-source-html.jpg?

How do I get the old values in a gridview row in the row_updating event?

A common way to use these collections is to HTML-encode the values supplied by the user before they are stored in the data source.