dictionary contains a null entry for parameter id of non-nullable . . . The parameters dictionary contains a null entry for parameter 'id' of non-nullable type 'System Int32' for method 'DatabaseService_WebAPI Models Product GetProduct (Int32)' in 'DatabaseService_WebAPI Controllers ProductController' An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter
SSRS Free Form Report - social. msdn. microsoft. com C) Group by BusinessEntityID D) set up page break to display one record per page E) create parameters: Parameter: “SDate” : datetime type, default value “1 1 2013” F) add text box to show the selection of Parameter using expression :type in “Sales Statement “, then right click text box, click Create placeholder
expression to format like accounting - social. msdn. microsoft. com So the real issue is the format type The first example you have above is formatted to Accounting (versus Currency for example) and the second appears like Text (including the $ and decimal) I don't see a formatting option in SSRS that would do something like FormatAccounting (versus for example, FormatCurrency)
Security Exception - social. msdn. microsoft. com Description:The application attempted to perform an operation not allowed by the security policy To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file Exception Details:System Security SecurityException: Request for the permission of type 'System Security Permissions ReflectionPermission
Proper code to dispose of data access objects? There is no reason to dispose of those data objects when the application closes Ending an application will cause the framework to cleanup everything Calling Dispose () is more important when the object is no longer needed, but the application will continue to run But if this form closes without ending the application you might want to call Dispose () on the DataTable and BindingSource Note