Has a database and I want to check the value exists in this table is whether or not exist
for example .
Cmd_Select_Emp_User.CommandText = " SELECT t_emp .emp_no " & _
"FROM t_emp " & _
" WHERE t_emp .user_no ='" & no_id & "'"
Cmd_Select_Emp_User.Connection = CONN
TextBox4.Text = CStr(Cmd_Select_Emp_User.ExecuteNonQuery)
...
Go to the complete details ...