Click here to Skip to main content
12,820,224 members (27,456 online)

inserting value by combobox

shaikh-adil asked:

Open original thread
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;
                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."
                MessageBox.Show("hello welcome");
Tags: C#


When answering a question please:
  1. Read the question carefully.
  2. Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
  3. If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Let's work to help developers, not make them feel stupid.
Please note that all posts will be submitted under the The Code Project Open License (CPOL).

Advertise | Privacy | Mobile
Web02 | 2.8.170308.1 | Last Updated 26 Mar 2009
Copyright © CodeProject, 1999-2017
All Rights Reserved. Terms of Service
Layout: fixed | fluid

CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100