[ArgumentException: Parameter is not valid.]
System.Drawing.Image.FromStream(Stream stream, Boolean useEmbeddedColorManagement, Boolean validateImageData) +483
DevExpress.Web.Internal.BinaryImageDisplayControl.CreateThumbnailImage() +112
DevExpress.Web.Internal.BinaryImageDisplayControl.ResizeImageCore() +26
DevExpress.Web.Internal.BinaryImageDisplayControl.GetImageUrl() +188
DevExpress.Web.Internal.ImageControl`1.PrepareControlHierarchyInternal() +114
DevExpress.Web.Internal.BinaryImageDisplayControl.PrepareControlHierarchy() +288
DevExpress.Web.ASPxWebControlBase.Render(HtmlTextWriter writer) +54
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +132
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +271
System.Web.UI.WebControls.WebControl.RenderContents(HtmlTextWriter writer) +14
DevExpress.Web.ASPxWebControlBase.Render(HtmlTextWriter writer) +77
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +132
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +271
System.Web.UI.WebControls.WebControl.RenderContents(HtmlTextWriter writer) +14
DevExpress.Web.ASPxWebControl.RenderInternal(HtmlTextWriter writer) +386
DevExpress.Web.ASPxWebControlBase.Render(HtmlTextWriter writer) +77
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +132
ASP.course_detail_aspx.__RenderContent1(HtmlTextWriter __w, Control parameterContainer) +157
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +117
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +132
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +271
System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +208
System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +47
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +132
System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +69
ASP.course_main_master.__Render__control1(HtmlTextWriter __w, Control parameterContainer) +157
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +117
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +132
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +271
System.Web.UI.Page.Render(HtmlTextWriter writer) +39
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +132
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +9490
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