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private void btnSave_Click(object sender, RoutedEventArgs e)
     {
         if (txtCompanyId.Text == "")
         {
             MessageBox.Show("Please Enter CompanyId", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtCompanyId.Focus();
         }
         else if (txtCompanyName.Text == "")
         {
             MessageBox.Show("Please fill CompanyName", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtCompanyName.Focus();
         }
         else if (txtCaption.Text == "")
         {
             MessageBox.Show("Please fill Caption", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtCaption.Focus();
         }
         else if (txtAddress1.Text == "")
         {
             MessageBox.Show("Please fill Address1", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtAddress1.Focus();
         }
         else if (txtAddress2.Text == "")
         {
             MessageBox.Show("Please fill Address2", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtAddress2.Focus();
         }
        else if(txtMobile.Text == "")
         {
             MessageBox.Show("Please fill MobileNo", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtMobile.Focus();
         }
         else if(txtEmail.Text == "")
         {
             MessageBox.Show("Please fill Email", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtEmail.Focus();
         }
         else if(txtGstin.Text == "")
         {
             MessageBox.Show("Please fill Gstin", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtGstin.Focus();
         }
         else if(txtCloudApi.Text == "")
         {
             MessageBox.Show("Please fill CloudApi", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtCloudApi.Focus();
         }
        else if(txtUsername.Text == "")
         {
             MessageBox.Show("Please fill Username", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtUsername.Focus();
         }
         else if(txtPassword.ToString() == "")
         {
             MessageBox.Show("Please fill Password", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtPassword.Focus();
         }
         else if(txtActivationKey.Text == "")
         {
             MessageBox.Show("Please fill ActivationKey", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             txtActivationKey.Focus();
         }
         else
         {
             try
             {
                 SqlConnection conn = new SqlConnection(ConnectionString);
                 conn.Open();
                 SqlCommand cmd = new SqlCommand("add_profile_details", conn);
                 cmd.CommandType = CommandType.StoredProcedure;
                 cmd.Parameters.AddWithValue("@company_id", SqlDbType.VarChar).Value = txtCompanyId;
                 cmd.Parameters.AddWithValue("@company_name", SqlDbType.VarChar).Value = txtCompanyName;
                 cmd.Parameters.AddWithValue("@caption", SqlDbType.VarChar).Value = txtCaption;
                 cmd.Parameters.AddWithValue("@address1", SqlDbType.VarChar).Value = txtAddress1;
                 cmd.Parameters.AddWithValue("@address2", SqlDbType.VarChar).Value = txtAddress2;
                 cmd.Parameters.AddWithValue("@mobileno", SqlDbType.VarChar).Value = txtMobile;
                 cmd.Parameters.AddWithValue("@email", SqlDbType.VarChar).Value = txtEmail;
                 cmd.Parameters.AddWithValue("@gstn", SqlDbType.VarChar).Value = txtGstin;
                 cmd.Parameters.AddWithValue("@username", SqlDbType.VarChar).Value = txtUsername;
                 cmd.Parameters.AddWithValue("@password", SqlDbType.VarChar).Value = txtPassword;
                 cmd.Parameters.AddWithValue("@selectusertype", SqlDbType.VarChar).Value = txtcombox;
                 cmd.Parameters.AddWithValue("@uploadlogo", SqlDbType.VarChar).Value = picUserimage;
                 cmd.Parameters.AddWithValue("@activationkey", SqlDbType.VarChar).Value = txtActivationKey;
                 //conn.Open();
                 cmd.ExecuteNonQuery();
                 conn.Close();
                 MessageBox.Show("Successfully saved", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
             }
             catch (Exception ex)
             {
                 MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Information);
             }
         }

     }


What I have tried:

try
{
    SqlConnection conn = new SqlConnection(ConnectionString);
    conn.Open();
    SqlCommand cmd = new SqlCommand("add_profile_details", conn);
    cmd.CommandType = CommandType.StoredProcedure;
    cmd.Parameters.AddWithValue("@company_id", SqlDbType.VarChar).Value = txtCompanyId;
    cmd.Parameters.AddWithValue("@company_name", SqlDbType.VarChar).Value = txtCompanyName;
    cmd.Parameters.AddWithValue("@caption", SqlDbType.VarChar).Value = txtCaption;
    cmd.Parameters.AddWithValue("@address1", SqlDbType.VarChar).Value = txtAddress1;
    cmd.Parameters.AddWithValue("@address2", SqlDbType.VarChar).Value = txtAddress2;
    cmd.Parameters.AddWithValue("@mobileno", SqlDbType.VarChar).Value = txtMobile;
    cmd.Parameters.AddWithValue("@email", SqlDbType.VarChar).Value = txtEmail;
    cmd.Parameters.AddWithValue("@gstn", SqlDbType.VarChar).Value = txtGstin;
    cmd.Parameters.AddWithValue("@username", SqlDbType.VarChar).Value = txtUsername;
    cmd.Parameters.AddWithValue("@password", SqlDbType.VarChar).Value = txtPassword;
    cmd.Parameters.AddWithValue("@selectusertype", SqlDbType.VarChar).Value = txtcombox;
    cmd.Parameters.AddWithValue("@uploadlogo", SqlDbType.VarChar).Value = picUserimage;
    cmd.Parameters.AddWithValue("@activationkey", SqlDbType.VarChar).Value = txtActivationKey;
    //conn.Open();
    cmd.ExecuteNonQuery();
    conn.Close();
    MessageBox.Show("Successfully saved", "Fill Field", MessageBoxButton.OK, MessageBoxImage.Information);
}
catch (Exception ex)
{
    MessageBox.Show(ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Information);
}
Posted
Updated 27-Aug-22 1:24am
Comments
Graeme_Grant 27-Aug-22 6:20am    
When posing questions, you need to explain the issue, the EXACT error message (copy & paste) and the line that the error occurs on.

You are setting all the database fields to contain the windows control id and not the text content of the controls.

cmd.Parameters.AddWithValue("@company_id", SqlDbType.VarChar).Value = txtCompanyId;

and
cmd.Parameters.AddWithValue("@company_id", SqlDbType.VarChar).Value = txtCompanyId.Text;

You might also want to improve your field validation as fields with spaces would be considered valid.

I would suggest

if (txtCompanyId.Text.Trim() == "")

or
if (string.IsNullOrEmpty(txtCompanyId.Text.Trim()))
{
    .....
}
 
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v2
Comments
prashanth manoj 27-Aug-22 6:26am    
did not work
Graeme_Grant 27-Aug-22 6:39am    
You need to fix all, not just the one that we listed as our example.
Graeme_Grant 27-Aug-22 6:31am    
:P
prashanth manoj 27-Aug-22 6:56am    
again show this...
No mapping exists from object type System.Windows.Controls.TextBox to a known managed provider native type.'
again show this
prashanth manoj 27-Aug-22 6:56am    
in executenonquery();
Yep, you are trying to pass a control object to a string field. That is what the error message is saying.

You need to use the Text property from the control is get the value. Here is one example:

Change:
C#
cmd.Parameters.AddWithValue("@company_id", SqlDbType.VarChar).Value = txtCompanyId;

To:
<pre lang="C#">
cmd.Parameters.AddWithValue("@company_id", SqlDbType.VarChar).Value = txtCompanyId.Text;
 
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Comments
prashanth manoj 27-Aug-22 6:25am    
did not work
Graeme_Grant 27-Aug-22 6:33am    
You have incorrectly mapped type for all, not just the one example that I gave.
Tony Hill 27-Aug-22 6:25am    
Damn, beat me to it.
prashanth manoj 27-Aug-22 6:28am    
'No mapping exists from object type System.Windows.Controls.TextBox to a known managed provider native type.'
again show this
Graeme_Grant 27-Aug-22 6:38am    
You need to fix all, not just the one that we listed as our example.

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