System.ArgumentOutOfRangeException: 长度不能小于 0。 参数名: length 在 System.String.InternalSubStringWithChecks(Int32 startIndex, Int32 length, Boolean fAlwaysCopy) 在 System.String.Substring(Int32 startIndex, Int32 length) 在 Industry.Platform.Entities.Forum.Topic.PostPager(Int32 TopicId, Int32 Pagesize, Int32 CurrentPage, String TxtFile) 在 Industry.Platform.Controls.Forum.PostPagerList.Render(HtmlTextWriter writer) 在 System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) 在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) 在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer) 在 ASP.forum_topic_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) 位置 d:\WebSites\cgcgc.com\Forum\Topic.aspx:行号 75 在 System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) 在 System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) 在 System.Web.UI.Page.Render(HtmlTextWriter writer) 在 System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) 在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) 在 System.Web.UI.Control.RenderControl(HtmlTextWriter writer) 在 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)