Parameterized SQL Query

String sql= “INSERT INTO TableName(col1,col2) values(@col1,@col2)”;
SqlCommand command = new SqlCommand();

Option A:
command.Parameters.Add(“@col1“, SqlDbType.VarChar, col1MaxTextLength).Value = “abc”;
command.Parameters.Add(“@col2“, SqlDbType.Int).Value = 123;


Option B:

command.Parameters.AddWithValue(“@col1”, “abc”);
command.Parameters.AddWithValue(“@col2”, 123);

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