Server Error in '/' Application.

Object reference not set to an instance of an object.

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.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 858:    public static string LinkImg(int iWidth, int iHeight, string img)
Line 859:    {
Line 860:        string newImg = "img/c/" + iWidth.ToString() + "x" + iHeight.ToString() + "-" + img.Replace("img/", "");
Line 861:        if (File.Exists(HttpContext.Current.Server.MapPath("") + "/" + ll_Impostazione.CartellaUpload() + "/" + newImg))
Line 862:        {

Source File: c:\inetpub\vhosts\porrotrasporti.it\httpdocs\App_Code\ll_global.cs    Line: 860

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ll_global.LinkImg(Int32 iWidth, Int32 iHeight, String img) in c:\inetpub\vhosts\porrotrasporti.it\httpdocs\App_Code\ll_global.cs:860
   ASP.detail_aspx.__RenderContent2(HtmlTextWriter __w, Control parameterContainer) in c:\inetpub\vhosts\porrotrasporti.it\httpdocs\detail.aspx:22
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +268
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +13
   System.Web.UI.Control.Render(HtmlTextWriter writer) +12
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +66
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   ASP.mp_master.__Renderform1(HtmlTextWriter __w, Control parameterContainer) in c:\inetpub\vhosts\porrotrasporti.it\httpdocs\MP.master:70
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +268
   System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +9821872
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +32
   System.Web.UI.HtmlControls.HtmlForm.Render(HtmlTextWriter output) +53
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +66
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
   System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +40
   ASP.mp_master.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in c:\inetpub\vhosts\porrotrasporti.it\httpdocs\MP.master:38
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +268
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +13
   System.Web.UI.Control.Render(HtmlTextWriter writer) +12
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +66
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +128
   System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +13
   System.Web.UI.Page.Render(HtmlTextWriter writer) +29
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +66
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
   System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1303


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3690.0