>>1 of 2:
>>System.Data.Common.DbParameter DbParameterCollection[int index]
>>System.Data.Common.DbParameter DbParameterCollection[string parameterName]
>>
>>I'm using the second. What happens if you split it:

   var v = command.Parameters["@Param3"];
>>            var v2 = v.Value;

>
>I get compiler errors. Let me ask you, what tpe is your var "v"? I also get error on the "var"; what is it?

Are you using .NET 4.0 or prior version? What version of VS? var was introduced in the version .NET 4.0