Dotnet:Select One Dropdown list based on another dropdown list from Database

Aspx code: <%@ Page Title=”About” Language=”C#” MasterPageFile=”~/Site.Master” AutoEventWireup=”true” CodeBehind=”About.aspx.cs” Inherits=”json.About” %> <asp:Content ID=”BodyContent” ContentPlaceHolderID=”MainContent” runat=”server”> <asp:UpdatePanel ID=”UpdatePanel1″ runat=”server”> <ContentTemplate> <table>…

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