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Showing posts with label SubString. Show all posts

Get Count Of A Substring In A String Using Asp.Net C#

04:08:00 Asp.Net, C#, Count, Regex, SubString No comments

Get Count Of A Substring In A String Using Asp.Net C#

Give Input String To Textbox Get Count Without Using Loop Condition in Asp.Net C#.

DEMO

Download

HTML Coding

<title>Get Count Of A Substring In A String Using Asp.Net C#</title>

</head>

<body>

Input String

<asp:TextBox ID="txtInput" runat="server"></asp:TextBox>

Count String

<asp:TextBox ID="txtCount" runat="server"></asp:TextBox>

<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Count" />

<asp:Label ID="lblCount" runat="server" Font-Size="Large" ForeColor="#FF0066"></asp:Label>

<br />

</div>

</form>

</body>

</html>

C# Coding

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Text.RegularExpressions;

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

{ protected void Page_Load(object sender, EventArgs e)

{

}

protected void Button1_Click(object sender, EventArgs e)

{

int c = Regex.Matches(txtInput.Text.ToUpper(),txtCount.Text.ToUpper()).Count;

lblCount.Text = c.ToString();

}

First - Add New form - Select Textbox From Toolbox

Next - Add - Namespaces - Input String Change Regex.Matches - Get Count

Remove Textbox Particular Character Using Asp.Net C#

22:19:00 Asp.Net, C#, IndexOf, SubString, Textbox No comments

Remove Textbox Particular Character

If Textbox Enter Some Character Want to Remove After Particular Character use Below Coding in Asp.Net C#.

Download Coding
Download

DEMO

HTML CODING

</head>

<body>

<div>

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

<asp:Button ID="Button1" runat="server" OnClick="Button1_Click1" Text="Remove @" />

<asp:Button ID="Button2" runat="server" OnClick="Button2_Click" Text="Remove @+1" />

<asp:Label ID="Label1" runat="server" ForeColor="#FF0066"></asp:Label>

</div>

</form>

</body>

</html>

C# CODING

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Text;

using System.Text.RegularExpressions;

public partial class Default2 : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void Button1_Click1(object sender, EventArgs e)

{

string Remove = TextBox1.Text.Substring(0, TextBox1.Text.IndexOf("@")); // Remove before @

Label1.Text = Remove.ToString();

}

protected void Button2_Click(object sender, EventArgs e)

{

string Remove = TextBox1.Text.Substring(0, TextBox1.Text.IndexOf("@") + 1); // Remove Upto @

Label1.Text = Remove.ToString();

}

First Create New Webform - Add Label,Textbox,Buttons From Toolbox

Next - Code Behind - Add Substring Method Remove Indexof Textbox

Concept of SubString Method Examples Using in C#

04:34:00 C#, String, SubString No comments

Concept of SubString Method

SubString is method of a String Class in c#.

Substring Extracts Already Existing Strings.

It is called by string name followed by dot operator.

It requires Start Index and a Length of String then it will return completely new string with the characters in that range.

SYNTAX

Substring(start index,length of String);

DEMO