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 30:         if (Page.RouteData.Values["prfId"] != null)
Line 31:         {
Line 32:             SqlCommand cmd = new SqlCommand("SELECT dpt_title  FROM DEPARTMENT INNER JOIN DOCTOR  on dpt_id=dc_dept_id WHERE dc_id=" + Convert.ToInt32(Page.RouteData.Values["prfId"]), con);
Line 33:             con.Open();
Line 34:             Literal2.Text = Literal2.Text = cmd.ExecuteScalar().ToString();

Source File: d:\inetpub\vhosts\nationalhospitals.com\httpdocs\MedicalTeam\Details.aspx.cs    Line: 32

Stack Trace:


[FormatException: Input string was not in a correct format.]
   System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +14784004
   System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) +172
   System.String.System.IConvertible.ToInt32(IFormatProvider provider) +55
   MedicalTeam_Details.Page_Load(Object sender, EventArgs e) in d:\inetpub\vhosts\nationalhospitals.com\httpdocs\MedicalTeam\Details.aspx.cs:32
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4069.0