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Server Error in '/TeacherHiringContract' 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 716:Line 717:Line 718: appId = Int32.Parse(this.SqlDatabase.ExecuteScalar(command , transaction).ToString());//Teaching_ExperienceDTOLine 719:Line 720:
Source File: c:\inetpub\wwwroot\TeacherHiringContract\Web\App_C ode\DAL\StudentApplication.cs Line: 718

Stack Trace:

[FormatException: Input string was not in a correct format.] System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) +10162691 System.Number.ParseInt64(String value, NumberStyles options, NumberFormatInfo numfmt) +210 System.String.System.IConvertible.ToInt64(IFormatP rovider provider) +55 System.Convert.ChangeType(Object value, Type conversionType, IFormatProvider provider) +10247518 System.Data.SqlClient.SqlParameter.CoerceValue(Obj ect value, MetaType destinationType) +1367[FormatException: Failed to convert parameter value from a String to a Int64.] System.Data.SqlClient.SqlParameter.CoerceValue(Obj ect value, MetaType destinationType) +6280742 System.Data.SqlClient.SqlParameter.GetCoercedValue () +63 System.Data.SqlClient.SqlParameter.Validate(Int32 index, Boolean isCommandProc) +296 System.Data.SqlClient.SqlCommand.SetUpRPCParameter s(_SqlRPC rpc, Int32 startCount, Boolean inSchema, SqlParameterCollection parameters) +149 System.Data.SqlClient.SqlCommand.BuildRPC(Boolean inSchema, SqlParameterCollection parameters, _SqlRPC& rpc) +100 System.Data.SqlClient.SqlCommand.RunExecuteReaderT ds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +6282737 System.Data.SqlClient.SqlCommand.RunExecuteReader( CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +424 System.Data.SqlClient.SqlCommand.RunExecuteReader( CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +28 System.Data.SqlClient.SqlCommand.ExecuteScalar() +194 Microsoft.Practices.EnterpriseLibrary.Data.Databas e.DoExecuteScalar(DbCommand command) in D:\Ministery Data\MOE WEB Application\TechnicalSupportSystem\Data\Database.c s:1594 Microsoft.Practices.EnterpriseLibrary.Data.Databas e.ExecuteScalar(DbCommand command, DbTransaction transaction) in D:\Ministery Data\MOE WEB Application\TechnicalSupportSystem\Data\Database.c s:822 DAL.StudentApplication.Save(StudentApplication dto) in c:\inetpub\wwwroot\TeacherHiringContract\Web\App_C ode\DAL\StudentApplication.cs:718[Exception: Save] DAL.StudentApplication.Save(StudentApplication dto) in c:\inetpub\wwwroot\TeacherHiringContract\Web\App_C ode\DAL\StudentApplication.cs:764 StudentApplication.btnSave_Click(Object sender, EventArgs e) in c:\inetpub\wwwroot\TeacherHiringContract\Web\Stude ntApplication.aspx.cs:637[Exception] StudentApplication.btnSave_Click(Object sender, EventArgs e) in c:\inetpub\wwwroot\TeacherHiringContract\Web\Stude ntApplication.aspx.cs:664 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +115 System.Web.UI.WebControls.Button.RaisePostBackEven t(String eventArgument) +140 System.Web.UI.Page.RaisePostBackEvent(IPostBackEve ntHandler sourceControl, String eventArgument) +29 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2981

Version Information: Microsoft .NET Framework Version:2.0.50727.4971; ASP.NET Version:2.0.50727.4971