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Posted by / 23-Oct-2019 15:50

Rowupdating old values

Grid View Update Event Args) Handles Budget_Grid View.

The reason to cancel the update is because there actually IS NO ROW to update. Thus if the old value in cell 1 is zero, there is only aggregate (sum) data in the row and there is no actual row to update.

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 " Select Command="SELECT @Week Ending Week Ending , Project , Project ID , Category , Category ID ,isnull([1], 0) Sun ,isnull([2], 0) Mon ,isnull([3], 0) Tue ,isnull([4], 0) Wed ,isnull([5], 0) Thu ,isnull([6], 0) Fri ,isnull([7], 0) Sat from (select P.

The key fields are defined in the Data Key Names property of a Grid View control.

The event has event-arguments of type Grid View Update Event Args.

Text) but i am getting all the old values stored in the gridview when the grid was loaded , kindly suggest.

This has dictionaries for key-, old- and new-values.

If so, you could get the values in Row Updated event, I made a test on my computer and it works well, please refer to the code below, hope it can be helpful to you. I need the old values BEFORE the update is performed so I can make a decision as to whether or not to perform the update.

New Values("Price") 'The parameter is case sensitive. Add(obj Sql Param) Hi dwfreeman, According to your description, I know you want to get the Old Values after you updating data.

Find Control("txtdescription") Dim txtunit_price As Text Box = gvr. Edit Index = -1 'Bind data to the Grid View control. When all you've got is a Hammer, Every Problem looks like a Nail. Since you are already getting a Row Updating event, I'll work from there.

Find Control("txtqty") Dim txtdescription As Text Box = gvr. However, your problem may have more to do with the fact that you Data Bind the Grid View in Row Updating. This can be beneficial to other community members reading the thread.

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event is raised when a row's Update button is clicked, but before the Grid View control updates the row.