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my question is i have two columns
1st is employeeid
2nd is employeename

employee id is primary key...

but i also want that employeename also how can i do on click of submit button.if employee name is match wid other colum..then message is display tht already exists..

i want thaat solution in LINQ

1 solution


You should create a unique constraint for column employeename, this way, you will ensure that employeename is unique in your table.

You can verify if the name exists in the table before make the insert statement.


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