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shaikh-adil asked:

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i am inserting value from combobox but there is some error i am a newbie so dont know much about .net
here is my code
 SqlConnection conn = new SqlConnection();
            conn.ConnectionString = @"Data Source=.\SQLEXPRESS;AttachDbFilename=E:\project\Projects\secquestion and password change with new tarika insert\labelnameinsecondformtry\Database1.mdf;Integrated Security=True;User Instance=True";
            SqlCommand cmd = new SqlCommand();
            cmd.Connection = conn;
            conn.Open();
          
            try
            {
                cmd.CommandText = "INSERT INTO Table2 (username,password,sec_questions) VALUES (@username,@password,@sec_question)";
                cmd.Parameters.Add("@username", SqlDbType.VarChar).Value =textBox1.Text;
                cmd.Parameters.Add("@password", SqlDbType.VarChar).Value = textBox2.Text;
                cmd.Parameters.Add("@sec_questions", SqlDbType.VarChar).Value =comboBox1.Text;
                cmd.ExecuteNonQuery();//error is coming which is "Must declare the scalar variable @sec_question."
            }
            finally
            {
                conn.Close();
                MessageBox.Show("hello welcome");
            }
Tags: C#

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