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POSQL Server error: ExecuteNonQuery: Connection property has not been initialized
 

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  1. POSQL Server error: ExecuteNonQuery: Connection property has not been initialized
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    <p>I am trying to develop a sample registration page using ASP.Net and C#. I am calling a stored procedure to insert the data to database. My database is SQL Server 2008. </p> <p>This is my code:</p> <pre><code>public partial class Sample : System.Web.UI.Page { SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["dbconnection"].ToString()); string str; protected void Page_Load(object sender, EventArgs e) { rbt_Male.Checked = true; } protected void btn_Submit_Click(object sender, EventArgs e) { string @Name = txtbx_Name.Text; string @Gender_male = rbt_Male.Text; string @Gender_Female = rbt_Female.Text; string @Email = txtbx_Email.Text; DateTime @Dob = Convert.ToDateTime(txt_Dob.Text); submitdata(); } protected void submitdata() { try { SqlCommand cmd = new SqlCommand(); cmd.Parameters.Clear(); cmd.CommandType = CommandType.StoredProcedure; cmd.CommandText = "insertdata"; if (rbt_Male.Checked) { cmd.Parameters.AddWithValue("@Name", txtbx_Name.Text); cmd.Parameters.AddWithValue("@Gender_Male", rbt_Male.Text); cmd.Parameters.AddWithValue("@Email", txtbx_Email.Text); cmd.Parameters.AddWithValue("@Dob", Convert.ToDateTime(txt_Dob.Text)); } else if (rbt_Female.Checked) { cmd.Parameters.AddWithValue("@Name", txtbx_Name.Text); cmd.Parameters.AddWithValue("@Gender_Female", rbt_Male.Text); cmd.Parameters.AddWithValue("@Email", txtbx_Email.Text); cmd.Parameters.AddWithValue("@Dob", Convert.ToDateTime(txt_Dob.Text)); } if (con.State == ConnectionState.Closed) con.Open(); cmd.ExecuteNonQuery(); lbl_Errormsg.Visible = true; lbl_Errormsg.Text = "Record Inserted Successfully"; con.Close(); } catch (Exception ex) { lbl_Errormsg.Visible = true; lbl_Errormsg.Text = ex.Message; } </code></pre> <p>I am getting the error message </p> <blockquote> <p><em>ExecuteNonQuery: Connection property has not been initialized.</em> </p> </blockquote> <p>I am getting this error at <code>cmd.ExecuteNonQuery();</code> </p> <p>Please help me.</p> <p>My stored procedure is </p> <pre><code>ALTER Procedure insertdata ( @Name Varchar(20), @Gender Varchar(6), @Email Varchar(20), @Dob date ) As Begin Insert into samplelogintable (Name, Gender, Email, Dob) Values(@Name, @Gender, @Email, @Dob) End </code></pre>
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