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How do I get the old values in a gridview row in the row_updating event? But it doesn't work for index items greater than 0. Must be non-negative and less than the size of the collection. I'm using a sqldatasource control to populate the grid and want to write the update code in the Row Updating event. I can get the value of the first field using string old_Category = e. Maybe you can see the difference with your own page.protected void Page_Load(object sender, Event Args e) protected void Grid View1_Row Editing(object sender, Grid View Edit Event Args e) protected void Grid View1_Row Updating(object sender, Grid View Update Event Args e) Superguppie.A separate entry is added to the Old Values property for each field in the row. Dictionary Entry object contained in the Old Values dictionary.To determine the field name of an entry, use the Dictionary Entry. To determine the value of an entry, use the Dictionary Entry. When all you've got is a Hammer, Every Problem looks like a Nail. Supposedly you can get the old values during a gridview rowupdating event using: oldvalue = e.
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). When I click edit on the grid and change the value of the textbox and click update the label will just display the original value of the textbox. When I click on the edit button the update and cancel button appear.Use the Old Values property (dictionary) to access the original values of the fields in the row to update.
This dictionary contains all fields in the row except the key fields.
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