How to sort Gridview Data in ASP.NET

About Sorting 

Sorting means rearranging data either ascending or descending data. you want to perform sorting of the data then you should apply technique to sort of the data . Various techniques are available in logic programming such as Bubble sort, insertion sort , quick sort , selection sort etc.
Basically GridView represents Data in 2D array. Graphical representation of 2D array is

How to sort Gridview Data in ASP.NET
Lets take an example , Firstly bind GridvView with database using the SqlDataSource. After binding the GridView you should select Enable Sorting Checkbox using ShowSmart Tag.

Enable Sorting Checkbox

Your complete Code
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default10.aspx.cs" Inherits="Default10" %>

<!DOCTYPE html>

<html xmlns="">
<head runat="server">
    <form id="form1" runat="server">
        <asp:GridView ID="GridView1" runat="server" AllowSorting="True" AutoGenerateColumns="False" DataKeyNames="Id" DataSourceID="SqlDataSource1">
                <asp:BoundField DataField="Id" HeaderText="Id" InsertVisible="False" ReadOnly="True" SortExpression="Id" />
                <asp:BoundField DataField="namet" HeaderText="namet" SortExpression="namet" />
                <asp:BoundField DataField="Income" HeaderText="Income" SortExpression="Income" />
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ConnectionString %>" SelectCommand="SELECT * FROM [footerex]"></asp:SqlDataSource>

How to sort Gridview Data in ASP.NET

How to sort Gridview Data in ASP.NET


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