C# WinApp มานำเสนอโค้ด การ ค้นหาข้อมูลใน DataGridView ครับ

        #region _HaveValue
        public static bool HaveValue(this System.Windows.Forms.DataGridView dgv,   string cri)
        {
            bool b = false;
            foreach (System.Windows.Forms.DataGridViewRow row in dgv.Rows)
            {
                if (row.Cells[row.Index].Value.ToString().Equals(cri))
                {
                    dgv.Rows[row.Index].Selected = true;
                    b = true;
                    break;
                }
            }

            return b;


        }
        public static bool HaveValue(this System.Windows.Forms.DataGridView dgv,int Column_0, string cri)
        {
            bool b = false;
            for (int i = 0; i < dgv.RowCount - 1; i++)
            {
                if (dgv[Column_0,i].Value.ToString().Equals(cri))
                {
                    dgv.Rows[i].Selected = true;
                    b = true;
                    break;
                }
            }
                return b;


        }
        public static bool HaveValue(this System.Windows.Forms.DataGridView dgv, int Column_0, int Column_1, string cri)
        {
            bool b = false;
            for (int i = 0; i < dgv.RowCount - 1; i++)
            {
                if (dgv[Column_0, i].Value.ToString().Equals(cri) && dgv[Column_1, i].Value.ToString().Equals(cri))
                {
                    dgv.Rows[i].Selected = true;
                    b = true;
                    break;
                }
            }
            return b;


        }
        public static bool HaveValue(this System.Windows.Forms.DataGridView dgv, int Column_0, string cri_0, int Column_1, string cri_1)
        {
            bool b = false;
            for (int i = 0; i < dgv.RowCount - 1; i++)
            {
                if (dgv[Column_0, i].Value.ToString().Equals(cri_0) && dgv[Column_1, i].Value.ToString().Equals(cri_1))
                {
                    dgv.Rows[i].Selected = true;
                    b = true;
                    break;
                }
            }
            return b;


        }
        public static bool HaveValue(this System.Windows.Forms.DataGridView dgv, int Column_0, int Column_1, int Column_2, string cri)
        {
            bool b = false;
            for (int i = 0; i < dgv.RowCount - 1; i++)
            {
                if (dgv[Column_0, i].Value.ToString().Equals(cri) && dgv[Column_1, i].Value.ToString().Equals(cri) && dgv[Column_2, i].Value.ToString().Equals(cri))
                {
                    dgv.Rows[i].Selected = true;
                    b = true;
                    break;
                }
            }
            return b;


        }
        public static bool HaveValue(this System.Windows.Forms.DataGridView dgv, int Column_0, string cri_0, int Column_1, string cri_1, int Column_2, string cri_2)
        {
            bool b = false;
            for (int i = 0; i < dgv.RowCount - 1; i++)
            {
                if (dgv[Column_0, i].Value.ToString().Equals(cri_0) && dgv[Column_1, i].Value.ToString().Equals(cri_1) && dgv[Column_2, i].Value.ToString().Equals(cri_2))
                {
                    dgv.Rows[i].Selected = true;
                    b = true;
                    break;
                }
            }
            return b;


        }
        public static bool HaveValue(this System.Windows.Forms.DataGridView dgv, List<int> lColumn, string cri)
        {
            bool b = false;
            for (int i = 0; i < dgv.RowCount - 1; i++)
            {
                for (int ii = 0; ii < lColumn.Count; ii++)
                {
                    if (dgv[lColumn[ii], i].Value.ToString().Equals(cri))
                    {
                        dgv.Rows[i].Selected = true;
                        b = true;
                        break;
                    }
                }
                   
            }
            return b;


        }
         public static bool HaveValue(this System.Windows.Forms.DataGridView dgv, List<int> lColumn, List<string> lCri)
        {
            bool b = false;
            for (int i = 0; i < dgv.RowCount - 1; i++)
            {
                for (int ii = 0; ii < lColumn.Count; ii++)
                {
                    if (dgv[lColumn[ii], i].Value.ToString().Equals(lCri[ii]))
                    {
                        dgv.Rows[i].Selected = true;
                        b = true;
                        break;
                    }
                }
                   
            }
            return b;


        }
        #endregion

private void toolStripButton1_Click(object sender, EventArgs e)
        {
            frmProduct_Method_Detail_Addmulti f = new frmProduct_Method_Detail_Addmulti();
            f.ShowDialog();
            if (f.ListIndex == null) return;
            if (f.ListIndex.Count <= 0) return;
            Cursor.Current = Cursors.WaitCursor;
            for(int i = 0;i<f.ListIndex.Count;i++)
            {
                if (!method_ParameterDataGridView.HaveValue(1, Method_ID.ToString(),
                2,f.SampletypeID.ToString(),3,f.ListIndex[i].ToString()))
                    method_ParameterTableAdapter.Insert(Method_ID, f.SampletypeID, f.ListIndex[i], "", "", "", "", "", false, null, "", "", "", "", "", "", "", Class.UserLogin.EmployeeName, DateTime.Now);
          
            }
            Cursor.Current = Cursors.Default;
            this.method_ParameterTableAdapter.Fill(this.dS_Product.Method_Parameter);
        }