public DataTable CreateTbCV(EC_CongViec _cv)
        {
            string sqlquery = "SELECT * FROM tb_Congviec where macv like N'%{0}%' and tencv like N'%{1}%'";

            sqlquery = string.Format(sqlquery, _cv.MaCV, _cv.TenCV);
            return(Connect.CreateTable(sqlquery));
        }
 public void AddCV(EC_CongViec _cv)
 {
     if (!sqlcv.CheckCV(_cv.MaCV))
     {
         sqlcv.AddCV(_cv);
     }
     else
     {
         MessageBox.Show("Mã này đã tồn tại,xin chọn Mã khác", "Chú Ý", MessageBoxButtons.OK, MessageBoxIcon.Warning);
     }
 }
        public void AddCV(EC_CongViec _newcv)
        {
            try
            {
                Connect.SqlConnect.Open();
                string sqlquery = @"INSERT INTO tb_Congviec
					  (macv, tencv)
							 VALUES (N'{0}',N'{1}')"                            ;
                sqlquery = string.Format(sqlquery, _newcv.MaCV, _newcv.TenCV);
                SqlCommand cmd = new SqlCommand(sqlquery, Connect.SqlConnect);
                cmd.ExecuteNonQuery();
                Connect.SqlConnect.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
 public void DeleteCV(EC_CongViec _cv)
 {
     sqlcv.DeleteCV(_cv);
 }
 public void UpdateCV(EC_CongViec _cv)
 {
     sqlcv.UpdateCV(_cv);
 }
 public DataTable CreateTbCV(EC_CongViec _cv)
 {
     return(sqlcv.CreateTbCV(_cv));
 }
 public void UpdateCV(EC_CongViec _cv)
 {
     Connect.ExcuteNonQuery(string.Format("UPDATE    tb_Congviec	SET tencv =N'{0}' where macv =N'{1}'", _cv.TenCV, _cv.MaCV));
 }
 public void DeleteCV(EC_CongViec _cv)
 {
     Connect.ExcuteNonQuery("DELETE FROM [tb_Congviec] WHERE  macv=N'" + _cv.MaCV + "'");
 }