Server Error in '/' Application.

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Line 67: 
Line 68:                 }
Line 69:                 SJ = SJ.Substring(0, SJ.Length - 1);
Line 70:             }
Line 71:         }

[ArgumentOutOfRangeException: Length cannot be less than zero.
Parameter name: length]
   System.String.Substring(Int32 startIndex, Int32 length) +13148884
   getci.bindSJ() in d:\web\wf\dzh.ylfjso.top\getci.aspx.cs:69
   getci.Page_Load(Object sender, EventArgs e) in d:\web\wf\dzh.ylfjso.top\getci.aspx.cs:17
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693