Progress Monitor for IdealProgrammer.com

Take Swift, Intelligent, Massive, Planned, Loving, Effective (S.I.M.P.L.E.) Action to Transform Self into Ideal

Skip Repetitive Navigational Links

Home

News

Presenters

Contact

Please login

C# InStr Example - ASPNET CSharp InStr Syntax - Sample

Description: Here is a InStr Example that illustrates the C# Syntax in ASP.NET.

Example Webform Code:

< %@ Page Language="C#" AutoEventWireup="true" CodeFile="InStr.aspx.cs" Inherits="StringManipulation_InStr" %>
 
< !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></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
     <h1><asp:label ID="Label1" runat="server" Text="Label"></asp:label> </h1>
        <asp:label ID="Label2" runat="server" Text="Label"></asp:label><br />
    </div>
    </form>
</body>
</html>

Example Code Behind:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
 
// This example is from http://idealprogrammer.com
// It shows how you can use InStr syntax in C-Sharp ASP.NET
//****************************************************************************************
// Example #1: InStr(startIndex, string1, string2)
// Returns an integer that represents the position of the first occurrence of 
// the second string in the first string. The search starts at the specified
// position in the string.  If the string is not found, the result is 0
//****************************************************************************************
 
 
public partial class StringManipulation_InStr : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Label1.Text = "InStr(startIndex, string1, string2)";
 
        string strField1 = " This ";
        string strField2 = "is";
 
 
 
 
        Label2.Text = (strField1.IndexOf(strField2, 0) + 1).ToString(); //Returns 4 - spaces are counted
    }
}

Example Connection String: