Adding Dynamic textbox,labels and reading thier values in asp.net

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ASP.NET

Hi,
Shwetha here,

Based on Number selected in Dropdownlist(1,2,3).I am creating the table row, table cell and Textbox and a Label in that table cell.i am succeeded in creating those dynamic controls based on number selected in Dropdownlist.But i failed in reading the values or data of those controls on submission (btnSubmit_Click()) of data..

please help me in this regard..i have posted my code also

aspx code:

<asp:Content ID="Content1" ContentPlaceHolderID="ContentRequestor" runat="Server">

<table width="95%" border="0" cellpadding="0" cellspacing="0" class="form_approaval">

<tr>
<td>
<asp:Label ID="lblParentName" runat="server" Font-Size="12px" Font-Names="segoe UI"
Text="Parent Name"></asp:Label>
</td>
<td style="height: 24px; width:10%">
<asp:TextBox ID="txtParentName" CssClass="search_bg" runat="server" Enabled="false"></asp:TextBox>
</td>
</tr>
    
<tr>
<td>
<asp:Label ID="lblNumberofKids" runat="server" Text="Number of Kids Participating"
Font-Size="12px" Font-Names="segoe UI"></asp:Label>
</td>
<td>
<asp:DropDownList ID="ddlNumberofKids" runat="server" CssClass="select" Width="160px" AutoPostBack="true" OnSelectedIndexChanged="ddlNumberofKids_SelectedIndexChanged">
<asp:ListItem Text="----Please Select----" Value="0" Selected="True"></asp:ListItem>
<asp:ListItem Text="1" Value="1"></asp:ListItem>
<asp:ListItem Text="2" Value="2"></asp:ListItem>
<asp:ListItem Text="3" Value="3"></asp:ListItem>
</asp:DropDownList>
</td>
</tr>
</table>
                
<asp:Panel ID="pnl" runat="server"></asp:Panel>
              
<table width="95%" border="0" cellpadding="0" cellspacing="0" class="form_approaval">

<tr>
<td>
<asp:Label ID="lblPhoneNum" runat="server" Text="Phone Number" Font-Size="12px" Font-Names="segoe UI"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtPhoneNum" CssClass="search_bg" runat="server" MaxLength="10"></asp:TextBox>
</td>
</tr>
               
<tr>
<td>
<asp:Button CssClass="Page_Button" ID="btnSubmit" Text="SUBMIT" runat="server" OnClick="btnSubmit_Click" />
</td>
</tr>
</table>
</asp:Content>

code Behind:

SummerExpressRegistrationDO ObjSummer = new SummerExpressRegistrationDO();
    SummerExpressRegistrationManager ObjMgr = new SummerExpressRegistrationManager();

  protected void ddlNumberofKids_SelectedIndexChanged(object sender, EventArgs e)
    {
        Table tbl = new Table();
        TableRow tr = new TableRow();
        TableCell tc;
        Label lbl;
        TextBox txt;
        tbl.CssClass = "form_approaval";
        tbl.Width = Unit.Percentage(96);
        int max = int.Parse(ddlNumberofKids.SelectedValue.ToString());
        for (int i = 1; i <= max; i++)
        {
            Session["Identity"] = i;
            TableRow tr1 = GenerateTable(tbl, tr, out tc, out lbl, out txt);
            tbl.Rows.Add(tr1);
            pnl.Controls.Add(tbl);
        }

    }


    private TableRow GenerateTable(Table tbl, TableRow tr, out TableCell tc, out Label lbl, out TextBox txt)
    {

        int Identity = int.Parse(Session["Identity"].ToString());
        tr = new TableRow();
        tc = new TableCell();
        lbl = new Label();
        tc.Width = Unit.Percentage(20);
        lbl.Text = "Kids Age";
        tc.Controls.Add(lbl);
        tr.Cells.Add(tc);
        tbl.Rows.Add(tr);

        tc = new TableCell();
        txt = new TextBox();
        txt.Width = Unit.Pixel(160);
        txt.ID = "txtAge" + Identity;
        tc.Controls.Add(txt);
        tr.Cells.Add(tc);
        tbl.Rows.Add(tr);


        tc = new TableCell();
        lbl = new Label();
        tc.Width = Unit.Percentage(15);
        lbl.Text = "Kids Name";
        tc.Controls.Add(lbl);
        tr.Cells.Add(tc);
        tbl.Rows.Add(tr);


        tc = new TableCell();
        txt = new TextBox();
        txt.Width = Unit.Pixel(160);
        txt.ID = "txtName" + Identity;
        tc.Controls.Add(txt);
        tr.Cells.Add(tc);

        return tr;
    }


    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        int Identity = int.Parse(Session["Identity"].ToString());
        ObjSummer.Emp_ID = Session["LoginId"].ToString();

        if (ObjMgr.CheckUserForSummerExpressRegistration(ObjSummer).ToString() == "Exists")
        {
            Response.Redirect("Sorry.aspx");
        }
        else
        {
            ObjSummer.Emp_ID = Session["LoginId"].ToString();
            ObjSummer.Number_of_Kids = int.Parse(ddlNumberofKids.SelectedValue.ToString());
            if (Identity == 1)
            {
                int txtage1 = "txtAge" + Identity;
                ObjSummer.Kid1_Age = int.Parse(txtage1.Text);
                ObjSummer.Kid1_Name = ("txtName" + Identity).Text;
            }
            else if (Identity == 2)
            {
                ObjSummer.Kid1_Age = int.Parse("txtAge" + Identity).Text;
                ObjSummer.Kid1_Name = ("txtName" + Identity).Text;
                ObjSummer.Kid2_Age = int.Parse("txtAge" + Identity).Text;
                ObjSummer.Kid2_Name = ("txtName" + Identity).Text;
            }
            else if (Identity == 3)
            {
                ObjSummer.Kid1_Age = int.Parse("txtAge" + Identity).Text;
                ObjSummer.Kid1_Name = ("txtName" + Identity).Text;
                ObjSummer.Kid2_Age = int.Parse("txtAge" + Identity).Text;
                ObjSummer.Kid2_Name = ("txtName" + Identity).Text;
                ObjSummer.Kid3_Age = int.Parse("txtAge" + Identity).Text;
                ObjSummer.Kid3_Name = ("txtName" + Identity).Text;
            }
            ObjSummer.Emp_Phonenum = long.Parse(txtPhoneNum).Text;
            ObjMgr.InsertSummerExpressRegistration(ObjSummer);

            //On successfull insertion of User data into Database, Page is redirected to ThankYou.aspx
            Response.Redirect("ThankYou.aspx", false);
        }
    }
}