Web.config

<?xml version="1.0" encoding="utf-8"?>
<!--
  For more information on how to configure your ASP.NET application, please visit
  https://go.microsoft.com/fwlink/?LinkId=169433
  -->
<configuration>
	<connectionStrings>
  <add name="con" connectionString="Data Source=PRODEEPKUMAR\SQLEXPRESS;&#xD;&#xA;			 Initial Catalog=elearningdb;Integrated Security=true " />
  <add name="elearningdbConnectionString" connectionString="Data Source=PRODEEPKUMAR\SQLEXPRESS;Initial Catalog=elearningdb;Integrated Security=True"
   providerName="System.Data.SqlClient" />
  <add name="elearningdbConnectionString2" connectionString="Data Source=PRODEEPKUMAR\SQLEXPRESS;Initial Catalog=elearningdb;Integrated Security=True"
   providerName="System.Data.SqlClient" />
 </connectionStrings>
  <system.web>
    <compilation debug="true" targetFramework="4.7.2" />
    <httpRuntime targetFramework="4.7.2" />
  </system.web>
	<appSettings>
		<add key="ValidationSettings:UnobtrusiveValidationMode" value="None" />
	</appSettings>
  <system.codedom>
    <compilers>
      <compiler language="c#;cs;csharp" extension=".cs" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.CSharpCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:default /nowarn:1659;1699;1701" />
      <compiler language="vb;vbs;visualbasic;vbscript" extension=".vb" type="Microsoft.CodeDom.Providers.DotNetCompilerPlatform.VBCodeProvider, Microsoft.CodeDom.Providers.DotNetCompilerPlatform, Version=2.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" warningLevel="4" compilerOptions="/langversion:default /nowarn:41008 /define:_MYTYPE=\&quot;Web\&quot; /optionInfer+" />
    </compilers>
  </system.codedom>
</configuration>