Server Error in '/' Application.

Length cannot be less than zero.
Parameter name: length

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.ArgumentOutOfRangeException: Length cannot be less than zero.
Parameter name: length

Source Error:


Line 89:             string postMonth = Request.QueryString["writingmonth"].ToString();
Line 90:             int pos = postMonth.IndexOf(" ");
Line 91:             string mon = postMonth.Substring(0, pos);
Line 92:             int yr = Convert.ToInt32(postMonth.Substring(pos + 1));
Line 93:             int mn = DateTime.ParseExact(mon, "MMMM", CultureInfo.CurrentCulture).Month;

Source File: c:\Websites\chunati\chunati.com\webroot\edinstitution\educationalinstitution.aspx.cs    Line: 91

Stack Trace:


[ArgumentOutOfRangeException: Length cannot be less than zero.
Parameter name: length]
   System.String.Substring(Int32 startIndex, Int32 length) +14342605
   edinstitution_educationalinstitution.BindEducationalInstitution() in c:\Websites\chunati\chunati.com\webroot\edinstitution\educationalinstitution.aspx.cs:91
   edinstitution_educationalinstitution.Page_Load(Object sender, EventArgs e) in c:\Websites\chunati\chunati.com\webroot\edinstitution\educationalinstitution.aspx.cs:23
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4465.0