Unable to find the requested .Net Framework Data Provider. It may not be installed.

Please, I have sent what you asked me for.....please we need your support urgently.Let us know why appear this message.

Thanks in advance



Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.ArgumentException: Unable to find the requested .Net Framework Data Provider. It may not be installed.

Source Error:

Code:

Line 30:         DataSource.InsertParameters.Add("UserId", UserGUID.ToString());
Line 31: 
Line 32:         DataSource.Insert();
Line 33:         
Line 34:     }

Source File: e:\web\iandcc00000\htdocs\ASPNETVault\createuser.aspx.cs Line: 32

Stack Trace:

Code:

[ArgumentException: Unable to find the requested .Net Framework Data Provider.  It may not be installed.]
   System.Data.Common.DbProviderFactories.GetFactory(String providerInvariantName) +1372087
   System.Web.UI.WebControls.SqlDataSource.GetDbProviderFactory() +63
   System.Web.UI.WebControls.SqlDataSource.GetDbProviderFactorySecure() +19
   System.Web.UI.WebControls.SqlDataSourceView.ExecuteInsert(IDictionary values) +51
   System.Web.UI.WebControls.SqlDataSource.Insert() +13
   _Default.CreateUserWizard1_CreatedUser(Object sender, EventArgs e) in e:\web\iandcc00000\htdocs\ASPNETVault\createuser.aspx.cs:32
   System.Web.UI.WebControls.CreateUserWizard.OnCreatedUser(EventArgs e) +105
   System.Web.UI.WebControls.CreateUserWizard.AttemptCreateUser() +341
   System.Web.UI.WebControls.CreateUserWizard.OnNextButtonClick(WizardNavigationEventArgs e) +105
   System.Web.UI.WebControls.Wizard.OnBubbleEvent(Object source, EventArgs e) +453
   System.Web.UI.WebControls.CreateUserWizard.OnBubbleEvent(Object source, EventArgs e) +149
   System.Web.UI.WebControls.WizardChildTable.OnBubbleEvent(Object source, EventArgs args) +17
   System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +35
   System.Web.UI.WebControls.Button.OnCommand(CommandEventArgs e) +115
   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +163
   System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +7
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +11
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeS