Server Error in '/' Application.

Input string was not in a correct format.

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.FormatException: Input string was not in a correct format.

Source Error:


Line 19:         else
Line 20:         {
Line 21:             int year = Convert.ToInt32(Request.QueryString["yr"].ToString());
Line 22:             //int month = NumericMonth(Request.QueryString["mnth"].ToString());
Line 23:             dt1 = new DateTime(year, 1, 1, 0, 0, 0);

Source File: D:\ASPX_Sites\Gift&ArtExpo\blog\bloglist.aspx    Line: 21

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +14542542
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +174
   System.Convert.ToInt32(String value) +64
   ASP.blog_bloglist_aspx.Page_Load(Object sender, EventArgs e) in D:\ASPX_Sites\Gift&ArtExpo\blog\bloglist.aspx:21
   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:4.8.4700.0