Please help why controls name doesn't exist error!!

Question

Hi all please help me am not able to find out the reason for why page controls does not exist..there is no error in my master page(its a copied solution for studying purpose)

version problems are fixed but still showing error(now working in VS 2013 the project version was 2.0)

 

 * one of my page

 

<pre lang="C#">using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Data;

using System.Data.SqlClient;

using System.Web.Security;

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

{

#region DATABASE_MEMBER

DataVariables objDataVar = new DataVariables();

DAL objDAL = new DAL();

LoginCredentials objLoginCred = new LoginCredentials();

LoginDAL objLoginDAL = new LoginDAL();

#endregion

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

bindUserType();

}

}

protected void btnCheck_Click1(object sender, EventArgs e)

{ }

/// &lt;summary&gt;

/// Login

/// &lt;/summary&gt;

/// &lt;param name=&quot;sender&quot;&gt;&lt;/param&gt;

/// &lt;param name=&quot;e&quot;&gt;&lt;/param&gt;

protected void btnLogin_Click(object sender, ImageClickEventArgs e)

{

try

{

// error in following control(txtusername etc)

objLoginCred.UserID = txtusername.Text.Trim();

objLoginCred.Password = txtPassword.Text.Trim();

objLoginCred.UserType = ddlUserType.SelectedItem.ToString();

/*Get records on the basis of use credentials*/

objDataVar.dtstEstOff = objLoginDAL.GetLogin(objLoginCred);

/*Check whether Fetched datatable HAS records or NOT */

if (objDataVar.dtstEstOff.Tables[0].Rows.Count &gt; 0)

{

Session[&quot;USERID&quot;] = objLoginCred.UserID;

Session[&quot;USERTYPE&quot;] = objLoginCred.UserType;

// Roles.CreateRole(&quot;members&quot;);

// Session[&quot;sitemap&quot;] = GetDataSource(objLoginCred.UserType, Server.MapPath(&quot;~&quot;));

if(!Roles.RoleExists(objLoginCred.UserType))

{

Roles.CreateRole(objLoginCred.UserType);

Roles.AddUserToRole(objLoginCred.UserID, objLoginCred.UserType);

}

Response.Redirect(&quot;~//HomePage.aspx&quot;, false);

}

else

{

ClientScript.RegisterStartupScript(GetType(), &quot;Error&quot;, &quot;alert('Invalid UserName / Password !')&quot;, true);

// Invalid UserName/Password

}

}

catch (Exception ex)

{ }

}

XmlDataSource GetDataSource(string UserRole, string ServerPath)

{

XmlDataSource objData = new XmlDataSource();

objData.XPath = &quot;siteMap/siteMapNode&quot;;

switch (UserRole)

{

case &quot;Administrator&quot;:

objData.DataFile = ServerPath + @&quot;/web.sitemap&quot;;

Roles.AddUserToRole(objLoginCred.UserType, &quot;Administrator&quot;);

break;

case &quot;Department&quot;:

objData.DataFile = ServerPath + @&quot;/Department.sitemap&quot;;

Roles.CreateRole(&quot;Department&quot;);

Roles.AddUserToRole(objLoginCred.UserType, &quot;Department&quot;);

break;

case &quot;Vendor&quot;:

objData.DataFile = ServerPath + @&quot;/User.sitemap&quot;;

Roles.CreateRole(&quot;Vendor&quot;);

Roles.AddUserToRole(objLoginCred.UserType, &quot;Vendor&quot;);

break;

default:

objData.DataFile = ServerPath + @&quot;/Default.sitemap&quot;;

break;

}

objData.DataBind();

return objData;

}

/// &lt;summary&gt;

///

/// &lt;/summary&gt;

public void bindUserType()

{

// error in following control(ddlusertype)

objDataVar.dtstEstOff = objLoginDAL.GetUserType();

// objDataVar.dtblEstOff= objDataVar.dtstEstOff.Tables[0];

ddlUserType.DataSource = objDataVar.dtstEstOff.Tables[0];

ddlUserType.DataTextField = &quot;UserType&quot;;

ddlUserType.DataValueField = &quot;UserType&quot;;

ddlUserType.DataBind();

}

}</pre>

//here is my current design page

<pre lang="ASP.NET">&amp;lt;%@ Page Title=&quot;&quot; Language=&quot;C#&quot; MasterPageFile=&quot;~/Master/SiteMain.master&quot; AutoEventWireup=&quot;true&quot; CodeFile=&quot;Login.aspx.cs&quot; Inherits=&quot;Loginaspx&quot; %&amp;gt;

&amp;lt;%@ Register Assembly=&quot;AjaxControlToolkit&quot; Namespace=&quot;AjaxControlToolkit&quot; TagPrefix=&quot;cc1&quot; %&amp;gt;

&amp;lt;asp:Content ID=&quot;Content1&quot; ContentPlaceHolderID=&quot;head&quot; runat=&quot;Server&quot;&amp;gt;

&amp;lt;asp:Content ID=&quot;Content2&quot; ContentPlaceHolderID=&quot;ContentPlaceHolder1&quot; runat=&quot;Server&quot;&amp;gt;

&lt;br /&gt;

&amp;lt;!--googleon: index--&amp;gt;

&lt;table height=&quot;410px&quot; id=&quot;loginContainer&quot; style=&quot;background-image: removed('Images/login-box-backg.png');&amp;lt;br mode=&quot; hold=&quot; /&amp;gt; clip: rect(50px, auto, auto, auto);&quot;&gt;

&lt;tr&gt;

&lt;td class=&quot;main&quot; align=&quot;center&quot; valign=&quot;top&quot;&gt;

&lt;table style=&quot;margin: 35px 0px 0px 0px; width: 415px;&quot;&gt;

&lt;tr&gt;

&lt;td style=&quot;margin: 50px;&quot; class=&quot;heading&quot;&gt;

&amp;lt;asp:Image runat=&quot;server&quot; ID=&quot;imgLogo&quot; ImageUrl=&quot;~/Images/IISc_logo_mncf_32.png&quot; /&amp;gt;

&amp;lt;asp:Label ID=&quot;label1&quot; runat=&quot;server&quot; Text=&quot;Login&quot;&amp;gt;

&lt;/td&gt;

&lt;/tr&gt;

&lt;tr&gt;

&lt;td align=&quot;center&quot; class=&quot;UserType&quot;&gt;

&lt;table&gt;

&lt;tr&gt;

&lt;td&gt;

&amp;lt;asp:Image ID=&quot;Image2&quot; runat=&quot;server&quot; ImageUrl=&quot;~/Images/user_cut.png&quot; /&amp;gt;

&lt;/td&gt;

&lt;td&gt;

&amp;lt;asp:Label ID=&quot;labelUserType&quot; runat=&quot;server&quot; Text=&quot;User Type&quot; Font-Bold=&quot;True&quot;&amp;gt;

&lt;/td&gt;

&lt;td&gt;

&amp;nbsp;

&lt;/td&gt;

&lt;td&gt;

&amp;lt;asp:DropDownList ID=&quot;ddlUserType&quot; runat=&quot;server&quot;&amp;gt;

&lt;/td&gt;

&lt;/tr&gt;

&lt;/table&gt;

&lt;/td&gt;

&lt;/tr&gt;

&lt;tr&gt;

&lt;td align=&quot;left&quot; colspan=&quot;2&quot; class=&quot;vldEmail vldEmailLength vldMand&quot;&gt;

&amp;lt;asp:RequiredFieldValidator ID=&quot;RequiredFieldValidator2&quot; runat=&quot;server&quot; ErrorMessage=&quot;Enter user name!&quot;

ControlToValidate=&quot;txtUserName&quot; Font-Size=&quot;9pt&quot; ForeColor=&quot;#FF9900&quot; ValidationGroup=&quot;Login&quot;&amp;gt;*

&amp;lt;label for=&quot;EmailLogin&quot; class=&quot;Hidden&quot;&amp;gt;

&amp;lt;/label&amp;gt;

&amp;lt;asp:TextBox ID=&quot;txtusername&quot; TabIndex=&quot;1&quot; runat=&quot;server&quot; ForeColor=&quot;#96CDE0&quot; &amp;gt;

&amp;lt;%-- &lt;br /&gt;

&lt;span style=&quot;color: #EBEBEB&quot;&gt;(e.g. [email protected]&lt;/span&gt;--%&amp;gt;

&lt;/td&gt;

&lt;/tr&gt;

&lt;tr&gt;

&lt;td align=&quot;left&quot; colspan=&quot;2&quot; class=&quot;vldEmail vldEmailLength vldMand&quot;&gt;

&amp;lt;asp:RequiredFieldValidator ID=&quot;RequiredFieldValidator1&quot; runat=&quot;server&quot; ErrorMessage=&quot;Enter valid password!&quot;

ControlToValidate=&quot;txtPassword&quot; ForeColor=&quot;#FF9900&quot; ValidationGroup=&quot;Login&quot;&amp;gt;*

&amp;lt;label for=&quot;PassLogin&quot; class=&quot;Hidden&quot;&amp;gt;

&amp;lt;/label&amp;gt;

&amp;lt;asp:TextBox ID=&quot;txtPassword&quot; TabIndex=&quot;1&quot; runat=&quot;server&quot; ForeColor=&quot;#96CDE0&quot;

TextMode=&quot;Password&quot;&amp;gt;

&lt;/td&gt;

&lt;/tr&gt;

&lt;tr&gt;

&lt;td colspan=&quot;2&quot; align=&quot;left&quot;&gt;

&lt;table&gt;

&lt;tr&gt;

&lt;td valign=&quot;top&quot; align=&quot;left&quot; class=&quot;fieldUserMessage email msg&quot;&gt;

&amp;lt;asp:Image runat=&quot;server&quot; ID=&quot;Image1&quot; ImageUrl=&quot;~/Images/information_icon_20.png&quot; /&amp;gt;

&lt;/td&gt;

&lt;td&gt;

&amp;lt;asp:LinkButton ID=&quot;lbtnForgotPassword&quot; runat=&quot;server&quot; Text=&quot;Forgot password&quot; TabIndex=&quot;1&quot;

Style=&quot;color: #99d4e8; font-weight: bold; text-decoration: underline; font-size: 10pt;&quot;

Font-Bold=&quot;True&quot;&amp;gt;

&lt;/td&gt;

&lt;/tr&gt;

&lt;/table&gt;

&lt;/td&gt;

&lt;/tr&gt;

&lt;tr&gt;

&lt;td colspan=&quot;2&quot;&gt;

&lt;br /&gt;

&lt;/td&gt;

&lt;/tr&gt;

&amp;lt;%-- &lt;tr&gt;

&lt;td align=&quot;left&quot;&gt;

&amp;lt;asp:CheckBox ID=&quot;cbRememberMe&quot; runat=&quot;server&quot; Checked=&quot;true&quot; Text=&quot;Remember me&quot;

ForeColor=&quot;#41a5c6&quot; Font-Size=&quot;5pt&quot; TabIndex=&quot;1&quot; /&amp;gt;

&lt;/td&gt;

&lt;/tr&gt;--%&amp;gt;

&lt;tr&gt;

&lt;td colspan=&quot;2&quot;&gt;

&amp;lt;asp:ImageButton ID=&quot;btnLogin&quot; runat=&quot;server&quot; ImageUrl=&quot;~/Images/login_button.png&quot;

TabIndex=&quot;1&quot; BackColor=&quot;#214682&quot; ValidationGroup=&quot;Login&quot; OnClick=&quot;btnLogin_Click&quot; /&amp;gt;

&amp;lt;asp:ValidationSummary ID=&quot;ValidationSummary1&quot; runat=&quot;server&quot; BackColor=&quot;#3C6AAA&quot;

ShowMessageBox=&quot;True&quot; ShowSummary=&quot;False&quot; ValidationGroup=&quot;Login&quot; /&amp;gt;

&lt;/td&gt;

&lt;/tr&gt;

&lt;/table&gt;

&lt;/td&gt;

&lt;/tr&gt;

&lt;/table&gt;</pre>