The selected stored procedure returns no columns

The reason was, selecting from a temp table and EF can’t figure out the shape of the results at design time.

The solution for this write this line "SET FMTONLY OFF" in begin part of your Stored Procedure but it will not work in selecting data from another database.
Example : Create procedure SPname

      as

      SET FMTONLY OFF 

ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified

I got this when i trying to read a CSV file and trying to get the data in a DataSet using Microsoft Text Driver in your 64 bit machine.

Solution

1. Go to IIS and Application Pools in the left menu.
   
2. Click the project name in the listing.
   
3. Click the Set Application Pool Defaults.
   
4. In General Tab, make the Enable 32 Bit Application entry to "True"

CheckOut Authentication Failed Nopcommerce

This is due to configuration issues with your shipping method. Please provide valid configuration details. Learn more Programing Tips and new Features

Nopcommerce and ecommerce websites services

ActionLink with Image in ASP.NET MVC 3

<a href="@Url.Action("Index","Home")"><img src="@Url.Content("~/Themes/Gold/images/try-onit.png")" alt="Home" /></a>

 

Description: HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly.

I installed MVC4 latest version, but my app is using MVC3.0. The problem was on MVC version. Check MVC version of your app.

Thanks

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An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter

I got this error when i redirect to another action with parameters.
In my case, the problem was parameter name. Add correct parameter.

return RedirectToAction("ProductTryout", new RouteValueDictionary(new { controller = "Catalog", action = "ProductTryout", productId = model.Id }));

A generic error occurred in gdi+

You can not save the same bitmap which is being used by other process. So rename it and then try to save