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    Rowupdating old values null pie chart data labels not updating

    In-order to perform Edit and Update in Grid View we need to use three events ( Grid View_Row Editing, Grid View_Row Canceling Edit , Grid View_Row Updating).For example (I suppose you bind Grid View with Sql Data Source): Protected Sub Gridview1_Row Updating(sender As Object, e As Gridview Update Event Args) Sql Data Source1. New Row(); dr["product_id"] = 1; dr["product_name"] = "Monitor"; dt. New Row(); dr["product_id"] = 2; dr["product_name"] = "Mouse"; dt. User ID = @User ID) AND (Delete = 0)" Insert Command="INSERT INTO tbl User(First Name, Last Name, User Name, Password, Birthdate, Address, Apt, City, Province, Postal Code, Email, Phone Num, yn Admin User, yn Delete) VALUES (@First Name, @Last Name, @User Name, @Password, @Birthdate, @Address, @Apt, @City, @Province, @Postal Code, @Email, @Phone Num, @yn Admin User, 0)" Update Command="UPDATE tbl User SET First Name = @First Name, Last Name = @Last Name, Birthdate = @Birthdate, Address = @Address, Apt = @Apt, City = @City, Province = @Province, Postal Code = @Postal Code, Phone Num = @Phone Num, Email = @Email, yn Admin User = @yn Admin User WHERE (User ID = @User ID)"it's throwing an exception because it's trying to pass NULL as the province parameter...which indicates that ddl Province. aspdotnet-suresh offers C#articles and tutorials,csharp dot net,articles and tutorials, VB.In the Rowupdating event, I try to retrieve one of the Bound Fields (i.e. Grid View Update Event Args) Dim gv Row As Grid View Row Dim temp, temp1 As String gv Row = grd Log.

    Email, Admin User FROM tbl User a INNER JOIN tbl Province B ON A.

    Sql Client; public partial class _Default : System. Text for example gets me the old values not the changed data in the Text Box. Is there an event that fires before the Row Updating so it binds the old data again with the Text Boxes in the Edit mode?

    Page hi, I'm having a problem with updating the data source from the Grid View I'm following what you did in the article, but in the Grid View1_Row Updating handler when I execute update statement textname. i am getting oledbexception was unhandled by user code No value given for one or more required parameters. for me Grid View Row row = (Grid View Row)Grid View1.

    thanx for replying and iam sorry for responding latenow ...

    Try something like: For Each gvr As Grid View Row In gvd Transportation.

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