Comparing 2 strings is often used action in any programming language. You could want to compare two strings when you check if the username and password entered by user are correct. Also it could be very useful if you search some text.This C# ASP.NET tutorial with show you several methods to compare the values of strings.
Compare strings in …
Many developers use ASP.NET with MySQL with their applications. If you use ASP.NET hosting services and some of the .NET stack as VB.NET or C# then you could connect to the MySQL database using ODBC .net data provider.
Connect to MysQL database using C# using ASP.NET hosting
OdbcConnection cn = new OdbcConnection(“Driver={MySQL ODBC ODBC 5.2a Driver};Server=localhost or remote;Database=test;User=user;Password=pass;Option=3;”);
OdbcCommand cmd …
How to programmatically set the TextBox value and get the TextBox value in ASP.NET in C#
The next example uses a test.aspx page named SetAndGetTextBox.aspx which has two asp:Label controls and one asp:TextBox control. In the code behind the local string variable value is use to read in it the system date and time by using:
value = DateTime.Now.ToString();
The rows in bold show how value is used to set the TextBox and how …
How to apply CSS style in the Label control from code-behind in ASP.NET in C#
You can apply CSS style from code behind by accessing the properties of the control with the help of its Id. Most of the CSS styles can be applied using the Font property and its sub properties of the Label control. However you can use ForeColor and BackColor directly from the Label control.
TestApplyCSS.aspx
<%@ Page Language=”C#” AutoEventWireup=”false” …
How to change the text of the Label control from the code-behind in C#
TestPage (.aspx)
<%@ Page Language=”C#” AutoEventWireup=”false” CodeBehind=”TestPage.aspx.cs” Inherits=”TestChange.TestPage” %>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<html xmlns=”https://www.w3.org/1999/xhtml”>
<head runat=”server”>
<title>Change the text of the Label control from the code-behind</title>
</head>
<body>
<form id=”form1″ runat=”server”>
<div>
<asp:Label ID=”LabelTest” runat=”server” Text=”My test label”></asp:Label>
</div>
</form>
</body>
</html>
Test page code-behind (.cs)
//
// TestPage.aspx.cs
//
protected void Page_Load(object sender, EventArgs e)
{
// changing text from …
You can use your master page created as described in the article: How to create a simple master page in ASP.NET in another page by adding the MasterPageFile attribute to the Page directive. This attribute indicates the filename of the master page you want to use:
In VB.NET
<%@ Page Language=”VB” MasterPageFile=”./SiteTemplate.master” … %>
In C#
<%@ Page Language=”C#” MasterPageFile=”./SiteTemplate.master” …
You can create a master page by following the next steps in Visual Studio:
1. Select Website ➤ Add New Item from the menu.
2. Select Master Page
3. Give it a filename for example SiteTemplate.master
4. Click Add.
A master page is a similar to an ordinary ASP.NET web form and can …
The Menu control like the TreeView control supports hierarchical data. You can bind the Menu to a data source, or you can fill it by hand (declaratively or programmatically) using MenuItem objects. The MenuItem objects don’t support check boxes and you can’t set programmatically their expanded/collapsed state. The next table lists MenuItem properties you can use:
If your project has a large amount of data to display in a TreeView, you probably don’t want to fill it in all at once, because that increase the time taken to process the initial request for the page, and also increase the size of the page and the view state. The TreeView includes a populate-on-demand …
How to use the TreeNode object in selection mode in ASP.NET in C#
You can use TreeNode in one of two modes:
– In selection mode, clicking the node posts back the page and raises the TreeView.SelectedNodeChanged event. This is default mode for all nodes.
– In navigation mode, clicking a node navigates to a new page, and the SelectedNodeChanged event is not raised. You …