How to check duplicate value during insert value to Database using C# in ASP.Net

Question

i want to check duplicate value in the database during the inserting value in the database on button click

dharmendr · Accepted Answer

Hi  nirmal90Refer the below linksPrevent Duplicate record insert in database if record exists in ASPNetPrevent Data insert if the data is duplicate or already exists in sql server table in cHow to ignore duplicate data entry in Database in C using ASPNet

How to check duplicate value during insert value to Database using C# in ASP.Net

How to ignore duplicate data entry in Database in C# using ASP.Net

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