how to add data in list view

Design Page-

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ListViewUsingViewState.aspx.cs" Inherits="ListViewUsingViewState" %>

DOCTYPE html>

<title>List View With View State - Upendra Pratap Shahititle>

head>

<body>

<div>

<%-- Here we add data to bind in ViewState --%>

<div>

<asp:Label ID="Label1" runat="server" Text="Name">asp:Label>

<asp:TextBox ID="TextBox1" runat="server">asp:TextBox>

<asp:Label ID="Label2" runat="server" Text="Designation">asp:Label>

<asp:TextBox ID="TextBox2" runat="server">asp:TextBox>

<asp:Button ID="Button1" runat="server" Text="save" OnClick="InsertData" />

div><br />

<%-- end --%>

<%-- listview check --%>

<div>

<asp:ListView ID="ListView1" runat="server" GroupPlaceholderID="groupPlaceHolder1" ItemPlaceholderID="itemPlaceHolder1" OnPagePropertiesChanging="OnPagePropertiesChanging">

<tr>

<th>Name

th>

<th>Designation

th>

tr>

<asp:PlaceHolder runat="server" ID="groupPlaceHolder1">asp:PlaceHolder>

<tr>

<%-- This part used for paging --%>

<asp:DataPager ID="DataPager1" runat="server" PagedControlID="ListView1" PageSize="2">

<asp:NextPreviousPagerField ButtonType="Link" ShowFirstPageButton="false" ShowPreviousPageButton="true"

ShowNextPageButton="false" />

<asp:NumericPagerField ButtonType="Link" />

<asp:NextPreviousPagerField ButtonType="Link" ShowNextPageButton="true" ShowLastPageButton="false" ShowPreviousPageButton="false" />

Fields>

asp:DataPager>

<%-- end --%>

td>

tr>

LayoutTemplate>

<tr>

<asp:PlaceHolder runat="server" ID="itemPlaceHolder1">asp:PlaceHolder>

tr>

GroupTemplate>

<td>

<%# Eval("Name") %>

td>

<td>

<%# Eval("Designation") %>

td>

ItemTemplate>

asp:ListView>

div>

<%-- end --%>

div>

form>

body>

html>

Code behind page-

using System;

using System.Collections.Generic;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial class ListViewUsingViewState : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

DataTable dt = new DataTable();

dt.Columns.Add("Name", typeof(string));

dt.Columns.Add("Designation", typeof(string));

ViewState["DataEntry"] = dt;

BindListView();

}

private void BindListView()

{

DataTable dt = new DataTable();

dt = (DataTable)ViewState["DataEntry"];

if (dt.Rows.Count > 0 && dt != null)

{

ListView1.DataSource = dt;

ListView1.DataBind();

}

else

{

ListView1.DataSource = null;

ListView1.DataBind();

}

///

/// This function is used to save the data in ViewState

///

/// sender

/// e

protected void InsertData(object sender, EventArgs e)

{

string sName = "";

string sDesg = "";

//here taking data from textbox

if (TextBox1.Text.ToString() == "")

{

ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Enter the name')", true);

return;

}

else

{

sName = TextBox1.Text.ToString();

}

if (TextBox2.Text.ToString() == "")

{

ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Enter the designation')", true);

return;

}

else

{

sDesg = TextBox2.Text.ToString();

}

DataTable dt = new DataTable();

DataRow dr;

//assigning ViewState value in Data Table

dt = (DataTable)ViewState["DataEntry"];

//Adding value in datatable

dr = dt.NewRow();

dr["Name"] = sName;

dr["Designation"] = sDesg;

dt.Rows.Add(dr);

if (dt != null)

{

ViewState["DataEntry"] = dt;

}

//here bind Listview after data save in ViewState

this.BindListView();

//empty the textbox control

TextBox1.Text = string.Empty;

TextBox2.Text = string.Empty;

}

//this is used for paging on ListView

protected void OnPagePropertiesChanging(object sender, PagePropertiesChangingEventArgs e)

{

(ListView1.FindControl("DataPager1") as DataPager).SetPageProperties(e.StartRowIndex, e.MaximumRows, false);

this.BindListView();

}

Output-

3 Replies

Know the answer? Post it — somebody with the same question will find it here.

Upendra Pratap Shahi11y ago
Accepted answer
Design Page-

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ListViewUsingViewState.aspx.cs" Inherits="ListViewUsingViewState" %>

DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<title>List View With View State - Upendra Pratap Shahititle>

head>

<body>

<form id="form1" runat="server">

<div>

<%-- Here we add data to bind in ViewState --%>

<div>

<asp:Label ID="Label1" runat="server" Text="Name">asp:Label>

<asp:TextBox ID="TextBox1" runat="server">asp:TextBox>

<asp:Label ID="Label2" runat="server" Text="Designation">asp:Label>

<asp:TextBox ID="TextBox2" runat="server">asp:TextBox>

<asp:Button ID="Button1" runat="server" Text="save" OnClick="InsertData" />

div><br />

<%-- end --%>

<%-- listview check --%>

<div>

<asp:ListView ID="ListView1" runat="server" GroupPlaceholderID="groupPlaceHolder1" ItemPlaceholderID="itemPlaceHolder1" OnPagePropertiesChanging="OnPagePropertiesChanging">

<LayoutTemplate>

<table border="1">

<tr>

<th>Name

th>

<th>Designation

th>

tr>

<asp:PlaceHolder runat="server" ID="groupPlaceHolder1">asp:PlaceHolder>

<tr>

<td colspan="3">

<%-- This part used for paging --%>

<asp:DataPager ID="DataPager1" runat="server" PagedControlID="ListView1" PageSize="2">

<Fields>

<asp:NextPreviousPagerField ButtonType="Link" ShowFirstPageButton="false" ShowPreviousPageButton="true"

ShowNextPageButton="false" />

<asp:NumericPagerField ButtonType="Link" />

<asp:NextPreviousPagerField ButtonType="Link" ShowNextPageButton="true" ShowLastPageButton="false" ShowPreviousPageButton="false" />

Fields>

asp:DataPager>

<%-- end --%>

td>

tr>

LayoutTemplate>

<GroupTemplate>

<tr>

<asp:PlaceHolder runat="server" ID="itemPlaceHolder1">asp:PlaceHolder>

tr>

GroupTemplate>

<ItemTemplate>

<td>

<%# Eval("Name") %>

td>

<td>

<%# Eval("Designation") %>

td>

ItemTemplate>

asp:ListView>

div>

<%-- end --%>

div>

form>

body>

html>

Code behind page-

using System;

using System.Collections.Generic;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial class ListViewUsingViewState : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

DataTable dt = new DataTable();

dt.Columns.Add("Name", typeof(string));

dt.Columns.Add("Designation", typeof(string));

ViewState["DataEntry"] = dt;

BindListView();

}

}

private void BindListView()

{

DataTable dt = new DataTable();

dt = (DataTable)ViewState["DataEntry"];

if (dt.Rows.Count > 0 && dt != null)

{

ListView1.DataSource = dt;

ListView1.DataBind();

}

else

{

ListView1.DataSource = null;

ListView1.DataBind();

}

}

///

/// This function is used to save the data in ViewState

///

/// sender

/// e

protected void InsertData(object sender, EventArgs e)

{

string sName = "";

string sDesg = "";

//here taking data from textbox

if (TextBox1.Text.ToString() == "")

{

ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Enter the name')", true);

return;

}

else

{

sName = TextBox1.Text.ToString();

}

if (TextBox2.Text.ToString() == "")

{

ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "alertMessage", "alert('Enter the designation')", true);

return;

}

else

{

sDesg = TextBox2.Text.ToString();

}

DataTable dt = new DataTable();

DataRow dr;

//assigning ViewState value in Data Table

dt = (DataTable)ViewState["DataEntry"];

//Adding value in datatable

dr = dt.NewRow();

dr["Name"] = sName;

dr["Designation"] = sDesg;

dt.Rows.Add(dr);

if (dt != null)

{

ViewState["DataEntry"] = dt;

}

//here bind Listview after data save in ViewState

this.BindListView();

//empty the textbox control

TextBox1.Text = string.Empty;

TextBox2.Text = string.Empty;

}

//this is used for paging on ListView

protected void OnPagePropertiesChanging(object sender, PagePropertiesChangingEventArgs e)

{

(ListView1.FindControl("DataPager1") as DataPager).SetPageProperties(e.StartRowIndex, e.MaximumRows, false);

this.BindListView();

}

}
Output-

0
Upendra Pratap Shahi11y ago
Thanks Sreenish for appreciation.
0

Ravi Kumar11y ago

List user = new List();

         user.Add(textBox1.Text);

         user.Add(textBox2.Text);