[VB.Net] Insert ข้อมูลไม่ได้ SQL SERVER 2008

        Dim objConn As New SqlConnection
        Dim objCmd As SqlCommand
        Dim strConnString, strSQL As String

        strConnString = "Server=localhost;UID=sa;PASSWORD=ｘｘｘ;Database=ｘｘｘ;Max Pool Size=400;Connect Timeout=600;"
        objConn.ConnectionString = strConnString
        objConn.Open()

        strSQL = "INSERT INTO tb_employee(emp_id, emp_title, emp_fname, emp_lname, emp_nickname, emp_email, emp_bdate, emp_address, emp_department, emp_active)"
        strSQL += "VALUES('" + empID + "', '" + RdoTitle + "' , '" + txtFname.Text + "' , '" + txtLname.Text + "' , '" + txtNickname.Text + "'"
        strSQL += " , '" + txtEmail.Text + "' , '" + dtpBdate.Text + "' , '" + txtAddress.Text + "' , '" + CbxDepart + "' , '1')"

        MessageBox.Show(strSQL)

        objCmd = New SqlCommand(strSQL, objConn)
        objCmd.ExecuteNonQuery()