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In this article you will learn how to resolve security validation exception while creating the sub web.
Hello All, I was facing an issue while creating the sub web under my current web, I was getting a security validation exception. So I am discussing here the problem and solution Problem : I was creating a sub web under my one of the web using following code and was redirecting to new web //Reference to current web SPWeb spWeb = SPContext.Current.Web; //Getting all sub web collections SPWebCollection spSubWebCollections = spWeb.Webs; //current template string currentTemplate = spWeb.WebTemplate;
string siteUrl = txtSiteURL.Text; string siteTitle = txtSiteTitle.Text; string siteDescreption = txtSiteDescreption.Text;
//creating sub web SPWeb oNewWeb = spSubWebCollections.Add(siteUrl, siteTitle, siteDescreption, 1033, currentTemplate, false, false); Response.Redirect(oNewWeb.Url); But I couldnt create new sub web, because I was getting the following error Which is : "The security validation for this page is invalid. Click Back in your Web browser, refresh the page, and try your operation again. at Microsoft.SharePoint.Library.SPRequestInternalClass.CreateWeb(String bstrUrl, String bstrTitle, String bstrDescription, UInt32 nLCID, String bstrWebTemplate, Boolean bCreateUniqueWeb, Boolean bConvertIfThere, Guid& pgWebId, Guid& pgRootFolderId, Boolean bCreateSystemCatalogs) at Microsoft.SharePoint.Library.SPRequest.CreateWeb(String bstrUrl, String bstrTitle, String bstrDescription, UInt32 nLCID, String bstrWebTemplate, Boolean bCreateUniqueWeb, Boolean bConvertIfThere, Guid& pgWebId, Guid& pgRootFolderId, Boolean bCreateSystemCatalogs)" Solution : This error is because FormDiagest web control is missing on my page. So I have added the FormDigest web control on my page and it worked. <SharePoint:FormDigest runat="server" /> FormDigest control inserts the security validation on the page. Following is the referral link for the FormDigest control http://msdn.microsoft.com/en-us/library/microsoft.sharepoint.webcontrols.formdigest.aspx
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