@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"Namespace="System.Web.UI" TagPrefix="asp" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><
html xmlns="http://www.w3.org/1999/xhtml"><
head runat="server"><title>Untitled Page</title></
head><
body><form id="form1" runat="server"><asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager><asp:UpdatePanel ID="UpdatePanel1" runat="server"><ContentTemplate><asp:GridView ID="Gridview1" runat="server" BorderStyle="Double" BorderColor="Gold" BackColor="AliceBlue" ShowFooter="true" AutoGenerateColumns="false"> <HeaderStyle BackColor="Green" Font-Bold="true" ForeColor="White" /><Columns><asp:BoundField DataField="RowNumber" HeaderText="Row Number" /><asp:TemplateField HeaderText="Main"><ItemTemplate><table><tr><td><asp:TextBox ID="txt1" runat="server"></asp:TextBox></td><td><asp:TextBox ID="txt2" runat="server"></asp:TextBox></td><td><asp:TextBox ID="txt3" runat="server"></asp:TextBox></td></tr></table><hr /><table><tr><td><asp:GridView ID="gvChildGrid" runat="server" ShowFooter="true" AutoGenerateColumns="false"BorderStyle="Double" BorderColor="#df5015" GridLines="None" Width="250px"><HeaderStyle BackColor="#df5015" Font-Bold="true" ForeColor="White" /><RowStyle BackColor="#E1E1E1" /><AlternatingRowStyle BackColor="White" /><HeaderStyle BackColor="#df5015" Font-Bold="true" ForeColor="White" /><Columns><asp:BoundField DataField="RowNumber" HeaderText="Row Number" /><asp:TemplateField HeaderText="sub"><ItemTemplate><table><tr><td><asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></td><td><asp:TextBox ID="TextBox2" runat="server"></asp:TextBox></td><td><asp:TextBox ID="TextBox3" runat="server"></asp:TextBox></td><td></td></tr></table></ItemTemplate><FooterTemplate><asp:Button ID="ButtonAdd" OnClick="innergridclick" CommandName="<%# Container.DataItemIndex %>"runat="server" Text="Add inner Row" /></FooterTemplate></asp:TemplateField></Columns></asp:GridView></td></tr></table></ItemTemplate><FooterTemplate><asp:Button ID="ButtonAdd" runat="server" Text="Add New Row" OnClick="ButtonAdd_Click" /></FooterTemplate></asp:TemplateField></Columns></asp:GridView></ContentTemplate></asp:UpdatePanel></form></
body></
html>using System;using System.Collections;using System.Configuration;using System.Data;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;public partial class Default16 : System.Web.UI.Page{
protected void Page_Load(object sender, EventArgs e){
if (!Page.IsPostBack){
SetInitialRow();
}
}
private void SetInitialRow(){
DataTable dt = new DataTable();
DataRow dr = null;dt.Columns.Add(
new DataColumn("RowNumber", typeof(string)));dt.Columns.Add(
new DataColumn("Column1", typeof(string)));dt.Columns.Add(
new DataColumn("Column2", typeof(string)));dt.Columns.Add(
new DataColumn("Column3", typeof(string)));dr = dt.NewRow();
dr[
"RowNumber"] = 1;dr[
"Column1"] = string.Empty;dr[
"Column2"] = string.Empty;dr[
"Column3"] = string.Empty;dt.Rows.Add(dr);
ViewState[
"CurrentTable"] = dt;Gridview1.DataSource = dt;
Gridview1.DataBind();
SetInitialRow2();
}
private void AddNewRowToGrid(){
int rowIndex = 0;setgridviewvalues();
if (ViewState["CurrentTable"] != null){
DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];
DataRow drCurrentRow = null;
if (dtCurrentTable.Rows.Count > 0){
for (int i = 1; i <= dtCurrentTable.Rows.Count; i++){
TextBox box1 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("txt1");
TextBox box2 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("txt2");
TextBox box3 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("txt3");drCurrentRow = dtCurrentTable.NewRow();
drCurrentRow[
"RowNumber"] = i + 1;dtCurrentTable.Rows[i - 1][
"Column1"] = box1.Text;dtCurrentTable.Rows[i - 1][
"Column2"] = box2.Text;dtCurrentTable.Rows[i - 1][
"Column3"] = box3.Text;rowIndex++;
}
dtCurrentTable.Rows.Add(drCurrentRow);
ViewState[
"CurrentTable"] = dtCurrentTable;Gridview1.DataSource = dtCurrentTable;
Gridview1.DataBind();
}
}
else{
Response.Write("ViewState is null");}
SetPreviousData();
SetInitialRow2();
}
public void setgridviewvalues(){
if (ViewState["CurrentTable2"] != null){
DataSet dtset = (DataSet)ViewState["CurrentTable2"];
int Dtcount = dtset.Tables.Count;
for (int rowIndex = 0; rowIndex < Gridview1.Rows.Count; rowIndex++){
int rowcount = 0;
DataTable dtCurrentTable = dtset.Tables[rowIndex];
DataRow drCurrentRow = null;
GridView Grdview = (GridView)Gridview1.Rows[rowIndex].Cells[1].FindControl("gvChildGrid");
if (dtCurrentTable.Rows.Count > 0){
for (int i = 1; i <= dtCurrentTable.Rows.Count; i++){
TextBox box1 = (TextBox)Grdview.Rows[rowcount].Cells[1].FindControl("TextBox1");
TextBox box2 = (TextBox)Grdview.Rows[rowcount].Cells[1].FindControl("TextBox2");
TextBox box3 = (TextBox)Grdview.Rows[rowcount].Cells[1].FindControl("TextBox3");drCurrentRow = dtCurrentTable.NewRow();
drCurrentRow[
"RowNumber"] = i + 1;dtCurrentTable.Rows[i - 1][
"Column1"] = box1.Text;dtCurrentTable.Rows[i - 1][
"Column2"] = box2.Text;dtCurrentTable.Rows[i - 1][
"Column3"] = box3.Text;rowcount++;
}
ViewState[
"CurrentTable2"] = dtset;}
}
}
}
private void SetPreviousData(){
int rowIndex = 0;
if (ViewState["CurrentTable"] != null){
DataTable dt = (DataTable)ViewState["CurrentTable"];
if (dt.Rows.Count > 0){
for (int i = 0; i < dt.Rows.Count; i++){
TextBox box1 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("txt1");
TextBox box2 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("txt2");
TextBox box3 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("txt3");box1.Text = dt.Rows[i][
"Column1"].ToString();box2.Text = dt.Rows[i][
"Column2"].ToString();box3.Text = dt.Rows[i][
"Column3"].ToString();rowIndex++;
}
}
}
}
protected void ButtonAdd_Click(object sender, EventArgs e){
AddNewRowToGrid();
}
protected void innergridclick(object sender, EventArgs e){
Button b1 = (Button)sender;
GridViewRow gRow = (GridViewRow)b1.Parent.Parent.Parent.Parent.Parent.Parent;
int Rindex = gRow.RowIndex;AddNewRowToGrid2(Rindex);
}
private void SetInitialRow2(){
DataSet dtset;
if (ViewState["CurrentTable2"] != null){
dtset = (
DataSet)ViewState["CurrentTable2"];
int Dtcount = dtset.Tables.Count;}
else{
dtset = new DataSet();}
DataTable dt = new DataTable();
DataRow dr = null;dt.Columns.Add(
new DataColumn("RowNumber", typeof(string)));dt.Columns.Add(
new DataColumn("Column1", typeof(string)));dt.Columns.Add(
new DataColumn("Column2", typeof(string)));dt.Columns.Add(
new DataColumn("Column3", typeof(string)));dr = dt.NewRow();
dr[
"RowNumber"] = 1;dr[
"Column1"] = string.Empty;dr[
"Column2"] = string.Empty;dr[
"Column3"] = string.Empty;dt.Rows.Add(dr);
dtset.Tables.Add(dt);
ViewState[
"CurrentTable2"] = dtset;
int rowIndex = 0;
for (rowIndex = 0; rowIndex < Gridview1.Rows.Count; rowIndex++){
DataTable dtCurrentTable = dtset.Tables[rowIndex];
GridView Grdview = (GridView)Gridview1.Rows[rowIndex].Cells[1].FindControl("gvChildGrid");Grdview.DataSource = dtCurrentTable;
Grdview.DataBind();
SetPreviousData2(rowIndex);
}
}
private void AddNewRowToGrid2(int rowIndex){
int rowcount = 0;
if (ViewState["CurrentTable2"] != null){
DataSet dtset = (DataSet)ViewState["CurrentTable2"];
int Dtcount = dtset.Tables.Count;
DataTable dtCurrentTable = dtset.Tables[rowIndex];
DataRow drCurrentRow = null;
GridView Grdview = (GridView)Gridview1.Rows[rowIndex].Cells[1].FindControl("gvChildGrid");
if (dtCurrentTable.Rows.Count > 0){
for (int i = 1; i <= dtCurrentTable.Rows.Count; i++){
TextBox box1 = (TextBox)Grdview.Rows[rowcount].Cells[1].FindControl("TextBox1");
TextBox box2 = (TextBox)Grdview.Rows[rowcount].Cells[1].FindControl("TextBox2");
TextBox box3 = (TextBox)Grdview.Rows[rowcount].Cells[1].FindControl("TextBox3");drCurrentRow = dtCurrentTable.NewRow();
drCurrentRow[
"RowNumber"] = i + 1;dtCurrentTable.Rows[i - 1][
"Column1"] = box1.Text;dtCurrentTable.Rows[i - 1][
"Column2"] = box2.Text;dtCurrentTable.Rows[i - 1][
"Column3"] = box3.Text;rowcount++;
}
dtCurrentTable.Rows.Add(drCurrentRow);
ViewState[
"CurrentTable2"] = dtset;Grdview.DataSource = dtCurrentTable;
Grdview.DataBind();
}
}
else{
Response.Write("ViewState is null");}
SetPreviousData2(rowIndex);
}
private void SetPreviousData2(int dTindex){
int rowIndex = 0;
if (ViewState["CurrentTable2"] != null){
DataSet dset = (DataSet)ViewState["CurrentTable2"];
DataTable dt = dset.Tables[dTindex];
if (dt.Rows.Count > 0){
GridView Grdview = (GridView)Gridview1.Rows[dTindex].Cells[1].FindControl("gvChildGrid");
for (int i = 0; i < dt.Rows.Count; i++){
TextBox box1 = (TextBox)Grdview.Rows[rowIndex].Cells[1].FindControl("TextBox1");
TextBox box2 = (TextBox)Grdview.Rows[rowIndex].Cells[1].FindControl("TextBox2");
TextBox box3 = (TextBox)Grdview.Rows[rowIndex].Cells[1].FindControl("TextBox3");box1.Text = dt.Rows[i][
"Column1"].ToString();box2.Text = dt.Rows[i][
"Column2"].ToString();box3.Text = dt.Rows[i][
"Column3"].ToString();rowIndex++;
}
}
}
}
}
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