ASP.NET 怪异现象一个才艺大赛报名几千人都能正常报名但是部分用户就是不不起明

ASP.NET 新增数据代码能正常使用但是放在服务器上面客服使用当中出现所有字段为

异常

System.FormatException: Failed to convert parameter value from a String to a Int32. ---> System.FormatException: Input string was not in a correct format. at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal) at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info) at System.String.System.IConvertible.ToInt32(IFormatProvider provider) at System.Convert.ChangeType(Object value, Type conversionType, IFormatProvider provider) at System.Data.SqlClient.SqlParameter.CoerceValue(Object value, MetaType destinationType) --- End of inner exception stack trace --- at System.Data.SqlClient.SqlParameter.CoerceValue(Object value, MetaType destinationType) at System.Data.SqlClient.SqlParameter.GetCoercedValue() at System.Data.SqlClient.SqlParameter.Validate(Int32 index, Boolean isCommandProc) at System.Data.SqlClient.SqlCommand.BuildParamList(TdsParser parser, SqlParameterCollection parameters) at System.Data.SqlClient.SqlCommand.BuildExecuteSql(CommandBehavior behavior, String commandText, SqlParameterCollection parameters, _SqlRPC& rpc) at System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) at System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) at System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(DbAsyncResult result, String methodName, Boolean sendToPipe) at System.Data.SqlClient.SqlCommand.ExecuteNonQuery() at ZWL.DBUtility.DbHelperSQL.ExecuteSql(String SQLString, SqlParameter[] cmdParms) in D:\RABFX\资源文件\OA系统\sngerp\代码\DBUtility\DbHelperSQL.cs:line 535 at ZWL.BLL.BC_Program.AddProgram(C_Program ca) at Talent_bmym_Registration.AddJmxx(String Programname, String Instructor, String Contact, String Musicalinstruments, String ProgramNeir, String renshu, String hidden4, String hidden5, String hidden3) in e:\sngpay\Talent\bmym\Registration.aspx.cs:line 304

呼如林