Exception from HRESULT: 0x800A017D (CTL_E_INVALIDPROPERTYARRAYINDEX)

Question

Hi...
I am working on desktop application.
I want to search multiple records in AxMSFlexGridLib but following Exception is happening..

Exception from HRESULT: 0x800A017D (CTL_E_INVALIDPROPERTYARRAYINDEX)

at the fallowing line which is bold.....

 public void SearchInvoice(long invoice)
        {
            this.table = this.dsdata.Tables[3];
            if (this.table.Rows.Count >= 1)
            {
                this.row = this.table.Rows[0];
                this.lblinvoice.Text = Convert.ToString(this.row["invoiceno"]);
                this.txtname.Text = Convert.ToString(this.row["Name"]);
                this.txtptcl.Text = Convert.ToString(this.row["Phone"]);
                this.txtcast.Text = Convert.ToString(this.row["Cast"]);
                this.txtarea.Text = Convert.ToString(this.row["Area"]);
                this.txtdescript.Text = Convert.ToString(this.row["Description"]);
                if (this.txtebo.Items.IndexOf(Convert.ToString(this.row["EBO"])) >= 0)
                {
                    this.txtebo.SelectedItem = Convert.ToString(this.row["EBO"]);
                }
                else
                {
                    this.txtebo.Items.Add(Convert.ToString(this.row["EBO"]));
                    this.txtebo.SelectedItem = Convert.ToString(this.row["EBO"]);
                }
            }
            this.table = this.dsdata.Tables[4];
            if (this.table.Rows.Count >= 1)
            {
                this.row = this.table.Rows[0];
                this.lblinvoice.Text = Convert.ToString(this.row["Invoice"]);
                this.txtname.Text = Convert.ToString(this.row["Name"]);
                this.txtptcl.Text = Convert.ToString(this.row["Phone"]);
                this.txtcast.Text = Convert.ToString(this.row["Cast"]);
                this.txtarea.Text = Convert.ToString(this.row["Area"]);
                this.txtdescript.Text = Convert.ToString(this.row["Description"]);
            }
            try
            {
                int num3;
                int num5;
                int num6;
                this.table = this.dsdata.Tables[5];
                if (this.table.Rows.Count >= 1)
                {
                    this.row = this.table.Rows[0];
                    this.lblinvoice.Text = Convert.ToString(invoice);
                    this.txtcode.Text = Convert.ToString(this.row["CCode"]);
                    int num = Convert.ToInt32(this.txtcode.Text);
                    int num2 = this.txtcode.Text.Length;
                    this.txtcode.Text = "";
                    for (int i = 1; i <= (6 - num2); i++)
                    {
                        this.txtcode.Text = this.txtcode.Text + Convert.ToString(0);
                    }
                    this.txtcode.Text = this.txtcode.Text + Convert.ToString(num);
                }
                this.table = this.dsdata.Tables[2];
                if (this.table.Rows.Count >= 1)
                {
                    num3 = 1;
                    foreach (DataRow row in this.table.Rows)
                    {
                        this.flex2.set_TextMatrix(num3, 1, Convert.ToString(row["ItemName"]));
                        this.flex2.set_TextMatrix(num3, 2, Convert.ToString(row["length"]));
                        this.flex2.set_TextMatrix(num3, 3, Convert.ToString(row["neck"]));
                        this.flex2.set_TextMatrix(num3, 4, Convert.ToString(row["chest"]));
                        this.flex2.set_TextMatrix(num3, 5, Convert.ToString(row["waist"]));
                        this.flex2.set_TextMatrix(num3, 6, Convert.ToString(row["Hip"]));
                        this.flex2.set_TextMatrix(num3, 7, Convert.ToString(row["ShoulderShape"]));
                        this.flex2.set_TextMatrix(num3, 8, Convert.ToString(row["sleeves"]));
                        this.flex2.set_TextMatrix(num3, 9, Convert.ToString(row["cuff"]));
                        this.flex2.set_TextMatrix(num3, 10, Convert.ToString(row["Elbow"]));
                        this.flex2.set_TextMatrix(num3, 11, Convert.ToString(row["armhole"]));
                        num3++;
                    }
                }
                this.table = this.dsdata.Tables[1];
                if (this.table.Rows.Count >= 1)
                {
                    num3 = 1;
                    foreach (DataRow row2 in this.table.Rows)
                    {
                        num5 = 2;
                        num6 = 1;
                        while (num6 <= 9)
                        {
                            this.flex3.set_TextMatrix(num3, num6, Convert.ToString(row2[num5]));
                            num5++;
                            num6++;
                        }
                        num3++;
                    }
                }
                this.table = this.dsdata.Tables[0];
                if (this.table.Rows.Count >= 1)
                {
                    num3 = 1;
                    foreach (DataRow row3 in this.table.Rows)
                    {
                        num5 = 2;
                        for (num6 = 1; num6 <= 7; num6++)
                        {
                            this.flex1.set_TextMatrix(num3, num6, Convert.ToString(row3[num5]));
                            num5++;
                        }
                        this.flex1.set_TextMatrix(num3, 9, Convert.ToString(row3[10]));
                        this.flex1.set_TextMatrix(num3, 10, Convert.ToString(row3[11]));
                        this.flex1.set_TextMatrix(num3, 11, Convert.ToString(row3[9]));
                        this.flex1.set_TextMatrix(num3, 8, Convert.ToString(row3[12]));
                        num3++;
                    }
                    int num7 = 0;
                    for (int j = 1; j < this.flex1.Rows; j++)
                    {
                        if ((this.flex1.get_TextMatrix(j, 11).Length != 0) && (this.flex1.get_TextMatrix(j, 6).Length > 0))
                        {
                            num7 += Convert.ToInt32(this.flex1.get_TextMatrix(j, 6));
                        }
                    }
                    this.txtQTY.Text = Convert.ToString(num7);
                }
                this.table = this.dsdata.Tables[3];
                this.row = this.table.Rows[0];
                this.gpcourier.Visible = true;
                this.chkcourier.Checked = true;
                this.txtreciept.Text = Convert.ToString(this.row["RecNo"]);
                this.txtcompany.Text = Convert.ToString(this.row["CompanyName"]);
                this.txtreciver.Text = Convert.ToString(this.row["ReciverName"]);
                this.dbname = this.row["DeliverByName"].ToString();
                if (Convert.ToInt32(this.txtcompany.Text.Length) <= 0)
                {
                    this.gpcourier.Visible = false;
                    this.chkcourier.Checked = false;
                }
                if (Convert.ToString(this.row["Complementry"]) == "Complementry")
                {
                    this.chcomple.Checked = true;
                }
                if (Convert.ToString(this.row["PaymStyle"]) == "Cash")
                {
                    this.rdcash.Checked = true;
                }
                else
                {
                    this.rdcredit.Checked = true;
                }
                this.txtBooking.Value = Convert.ToDateTime(this.row["BookingDate"]);
                this.txtDelivery.Value = Convert.ToDateTime(this.row["DeliveryDate"]);
                this.txtamount.Text = Convert.ToString(this.row["Amount"]);
                this.txtAdvance.Text = Convert.ToString(this.row["Advance"]);
                this.txtbalance.Text = Convert.ToString(this.row["Balance"]);
                if ("Urgent" == Convert.ToString(this.row["Urgent"]))
                {
                    this.chkurgent.Checked = true;
                    this.Urgent = "Urgent";
                }
                if (Convert.ToString(this.row["DeliveryType"]) == "Courier")
                {
                    this.rdcourier.Checked = true;
                }
                else if (Convert.ToString(this.row["DeliveryType"]) == "hand")
                {
                    this.rdhand.Checked = true;
                }
                else
                {
                    this.rddrycleaner.Checked = true;
                }
            }
            catch (Exception exception)
            {
                MessageBox.Show(exception.Message,"Error!");
            }
            //this.setnotifier();
        }

please any body help me....