C# - Web Site - SQL Select Statement

Question

I want to use a select statement to find if there is a record that already exists. I\'ve put the code below but it throws an error at the dReader = comm.ExecuteReader(); and i\'

Answer 1

The equals operator in SQL is just a single =.

Also, you really shouldn't be concatenating SQL queries like that, you are just opening yourself up to SQL Injection attack. So change it to be like this:

comm.CommandText = "SELECT * FROM Customers WHERE CustomerID = @CustomerId";
comm.Parameters.AddWithValue("@CustomerId", txtID.Text);

See Stop SQL Injection Attacks Before They Stop You on MSDN.