Repeater dynamically Add rows

<Table class = "Table-striped table-bordered table-Hover">
<Asp: repeater id = "rp_list" runat = "server" onitemcommand = "rp_list_itemcommand">
<Headertemplate>
<Thead>
<Tr>
<TH>
ID
</Th>
<TH>
Chinese content
</Th>
<TH>
English Content
</Th>
<TH>
Upload sound <% -- (required when adding <SPAN class = "text-danger"> </span>) -- %>
</Th>
<TH width = "80px">
Avatar
</Th>
<TH width = "80px">
Dialog sorting
</Th>
<TH width = "80px">
Max time
</Th>
<TH width = "80px">
Sound time
</Th>
<TH>
Operation
</Th>
</Tr>
</Thead>
</Headertemplate>
<Itemtemplate>
<Tr>
<TD>
<% # Container. itemindex + 1%>
<Asp: hiddenfield id = "hidid" runat = "server" value = '<% # eval ("ID") %>'/>
</TD>

<TD>
<Asp: textbox id = "txtcountentzh" runat = "server" text = '<% # eval ("contentzh ") %> 'class = "form-control"> </ASP: textbox>
</TD>
<TD>
<Asp: textbox id = "txtcountenten" runat = "server" text = '<% # eval ("contenten ") %> 'class = "form-control"> </ASP: textbox>
</TD>
<TD>
<% -- <Asp: fileupload id = "fileupload" runat = "server" cssclass = "form-control"/> -- %>
<Asp: Label id = "lblsound" runat = "server" text = '<% # eval ("ishave") %>'> </ASP: Label>
</TD>
<TD>
<Asp: textbox id = "txtphoto" runat = "server" class = "form-control" text = '<% # eval ("photo ") %> '> </ASP: textbox>
</TD>
<TD>
<Asp: textbox id = "txtorder" runat = "server" class = "form-control" text = '<% # eval ("orderby ") %> '> </ASP: textbox>
</TD>
<TD>
<Asp: textbox id = "txtmaxsecond" runat = "server" class = "form-control" text = '<% # eval ("maxsecond ") %> '> </ASP: textbox>

</TD>
<TD>
<Asp: textbox id = "txtsoundsize" runat = "server" class = "form-control" text = '<% # eval ("soundsize ") %> '> </ASP: textbox>
</TD>
<TD>
<% -- <A href = "duihuadelete. aspx? Id = <% # eval ("ID ") %> & page = <% = currentpage %> & pianzhangid = <% = pzid %> "class =" BTN-danger "onclick =" Return confirm ('whether to delete the data ') "> Delete </a> -- %>
<% -- <A href = "duihuaedit. aspx? Id = <% # eval ("ID") %> & pianzhangid = <% = pzid %> "class =" BTN-primary "> edit </a>
<A href = "dui1_idetail. aspx? Id = <% # eval ("ID") %> "class =" BTN-default BTN-primary "Title =" details "> details </a> -- %>
<Asp: linkbutton id = "lbtndelete" runat = "server" cssclass = "BTN-danger" onclientclick = 'Return confirm ("are you sure you want to delete? ") 'Commandname =" Del "commandargument = '<% # eval (" ID ") %>'> Delete </ASP: linkbutton>
<Asp: linkbutton id = "lbtnedit" runat = "server" cssclass = "BTN-Default" commandname = "edit" commandargument = '<% # eval ("ID ") %> '> edit </ASP: linkbutton>
</TD>
</Itemtemplate>
<Footertemplate>
<Tr id = "tr1" runat = "server" visible = "<% # rp_list.items.count = 0%>">
<TD colspan = "9" class = "indent15">
No matching information found
</TD>
</Tr>
</Footertemplate>
</ASP: repeater>
</Table>

Background code:

Protected void btnaddnewrow_click (Object sender, eventargs E)
{

// First, restore the data source

Datatable dt = definedatatableschema (hfrptcolumns. value );

Foreach (repeateritem item in rp_list.items)

{

Datarow newrow = DT. newrow ();

Newrow ["ID"] = (hiddenfield) item. findcontrol ("hidid"). value;

Newrow ["contentzh"] = (textbox) item. findcontrol ("txtcountentzh"). text;

Newrow ["contenten"] = (textbox) item. findcontrol ("txtcountenten"). text;

Newrow ["photo"] = (textbox) item. findcontrol ("txtphoto"). text;

Newrow ["orderby"] = (textbox) item. findcontrol ("txtorder"). text;

Newrow ["maxsecond"] = (textbox) item. findcontrol ("txtmaxsecond"). text;

Newrow ["ishave"] = (Label) item. findcontrol ("lblsound"). text;

Newrow ["soundsize"] = (textbox) item. findcontrol ("txtsoundsize"). text;

DT. Rows. Add (newrow );

}

// Add a row

Datarow ROW = DT. newrow ();

Row ["contentzh"] = "";

Row ["contenten"] = "";

Row ["photo"] = "";

Row ["orderby"] = "0 ";

Row ["maxsecond"] = "1 ";

Row ["ishave"] = "not uploaded ";

Row ["soundsize"] = "1 ";

DT. Rows. Add (ROW );

Rp_list.datasource = DT;

Rp_list.databind ();

}

/// <Summary>
/// Define the schema of the data source datatable Based on the column name corresponding to the repeater
/// </Summary>
/// <Param name = "columns"> column name </param>
/// <Returns> </returns>
Public datatable definedatatableschema (string columns)
{
Datatable dt = new datatable ();
String [] columnsary = columns. Split (',');
Foreach (string STR in columnsary)
{
DT. Columns. Add (STR );
}
Return DT;
}