ADO.NET

Mar 29 2013 1:10 PM

I have a table tbl_ModelNo

in that it has feilds: ModelNoId, ModelNo, Narration.

The values are inserted and shown in a data grid view.

While inserting values in tbl_ModelNo

if the same ModelNo inserted as that in the grid view it should not be inserted and it must show a message that THIS MODEL No already exist.How to write code for this in c#

Answers (1)

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