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 235:            string postMonth = Request.QueryString["writingmonth"].ToString();
Line 236:            int pos = postMonth.IndexOf(" ");
Line 237:            string mon = postMonth.Substring(0, pos);
Line 238:            int yr = Convert.ToInt32(postMonth.Substring(pos + 1));
Line 239:            int mn = DateTime.ParseExact(mon, "MMMM", CultureInfo.CurrentCulture).Month;

Source File: c:\Websites\chunati\chunati.com\webroot\writerscolumn\writerscolumn.aspx.cs    Line: 237

Stack Trace:


[ArgumentOutOfRangeException: Length cannot be less than zero.
Parameter name: length]
   System.String.Substring(Int32 startIndex, Int32 length) +14342605
   writerscolumn_writerscolumn.BindWritersColumn() in c:\Websites\chunati\chunati.com\webroot\writerscolumn\writerscolumn.aspx.cs:237
   writerscolumn_writerscolumn.Page_Load(Object sender, EventArgs e) in c:\Websites\chunati\chunati.com\webroot\writerscolumn\writerscolumn.aspx.cs:22
   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