Entity Framework

Question

Dear all,

 

 

Please help me,

when i am trying to insert records into table, that time invoked an error- like---

An error occurred while updating the entries. See the inner exception for details.

 

how to solve this problem in entity framework...

 

my code-

 

protected void btnSave_Click ( object sender, EventArgs e )
{
CONTACT con = new CONTACT ( );
con.ID = 0;
con.FNAME = txtFname.Text.ToString ( );
con.LNAME = txtLname.Text.ToString ( );
con.PHONE = txtContact.Text.ToString ( );

TEST_DBEntities dd = new TEST_DBEntities ( );
dd.CONTACTs.Add ( con );
dd.SaveChanges ( );
} 

 

 

Regards

Niranjan Poddar