Introduction:
Here I will explain how to add or send textbox values to listbox in asp.net on button click using c#, vb.net or bind textbox values to listbox on button click in asp.net using c#, vb.net with example.
Here I will explain how to add or send textbox values to listbox in asp.net on button click using c#, vb.net or bind textbox values to listbox on button click in asp.net using c#, vb.net with example.
Description:
In previous post I explained convert currency or numbers to words in asp.net, angularjs bind dropdownlist with text and value, jQuery tag cloud example in asp.net, sitemap control example, send html page as mail body in asp.net, how to send mail with attachment in asp.net and many more articles related to asp.net using c#, vb.net. Now I will explain how to add or send textbox values to listbox in asp.net on button click using c#, vb.net with example.
In previous post I explained convert currency or numbers to words in asp.net, angularjs bind dropdownlist with text and value, jQuery tag cloud example in asp.net, sitemap control example, send html page as mail body in asp.net, how to send mail with attachment in asp.net and many more articles related to asp.net using c#, vb.net. Now I will explain how to add or send textbox values to listbox in asp.net on button click using c#, vb.net with example.
To add textbox values to listbox in asp.net on button click using c#,
vb.net
we need to write aspx code like as shown below
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Add Textbox values to
Listbox items on button click </title>
</head>
<body>
<form id="form1"
runat="server">
<div>
Enter Text: <asp:TextBox ID="txtname" runat="server"></asp:TextBox>
<asp:Button ID="btnAdd"
runat="server"
Text="Add to
Listbox" OnClick="btnAddClick" />
<br /> <br />
Listbox Values: <asp:ListBox ID="lstdetails"
runat="server"></asp:ListBox>
</div>
</form>
</body>
</html>
|
After completion of aspx page write the add following namespaces
in codebehind
C#
Code
using System;
using System.Data;
|
VB.NET
Code
Imports System.Data
|
After completion of adding namespaces you need to write the
code like as shown below
C#
Code
DataTable dt = null;
protected void Page_Load(object
sender, EventArgs e)
{
if (!IsPostBack)
{
if (ViewState["Details"]
== null)
{
DataTable dataTable
= new DataTable();
dataTable.Columns.Add("Name");
ViewState["Details"] =
dataTable;
}
}
}
protected void btnAddClick(object
sender, EventArgs e)
{
string str =
txtname.Text.Trim();
dt = (DataTable)ViewState["Details"];
dt.Rows.Add(str);
ViewState["Details"] =
dt;
lstdetails.DataSource = dt;
lstdetails.DataTextField = "Name";
lstdetails.DataValueField = "Name";
lstdetails.DataBind();
txtname.Text = "";
}
|
VB.NET
Code
Imports System.Data
Partial Class VBCode
Inherits System.Web.UI.Page
Private dt As DataTable = Nothing
Protected Sub Page_Load(ByVal
sender As Object,
ByVal e As EventArgs)
If Not
IsPostBack Then
If ViewState("Details")
Is Nothing Then
Dim dataTable As New DataTable()
dataTable.Columns.Add("Name")
ViewState("Details") =
dataTable
End If
End If
End Sub
Protected Sub btnAddClick(ByVal
sender As Object,
ByVal e As EventArgs)
Dim str As String
str = txtname.Text.Trim()
dt = DirectCast(ViewState("Details"), DataTable)
dt.Rows.Add(str)
ViewState("Details") =
dt
lstdetails.DataSource = dt
lstdetails.DataTextField = "Name"
lstdetails.DataValueField = "Name"
lstdetails.DataBind()
txtname.Text = ""
End Sub
End Class
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Demo
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1 comments :
Awesome!!
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