Search results for query: *

If I have 2 methods of the same name, each taking one parameter. The first takes the parameter by value and the second by reference. When invoking the method how do I specify which version I want to use? Given public class foobar{ ... public foo(int a){} public foo(ref int a){} } how do I...

I know the theory of why it makes more sense to have primitive types as value types and stored on the stack. I'm just trying to understand what is going on (on the fly or otherwise) that int i; //Not considered an object at this point put on Stack can be true given that int derives from...

The concept of ValueType vs Reference Type is understood along with the relation to Stack vs Heap but I have a question int - a value type, stored on the Stack int - inherits from System.ValueType which in turn is derived from System.Object So why is int not considered an object and placed on...

Ta :)

SELECT CONVERT(BIGINT, (1000000000+9999999999)*RAND()) as NewPIN WHERE NewPIN NOT IN (SELECT PIN FROM CustomerPins) Invalid column name 'NewPIN' How can I take the product of this aggregate query and then use it to do a lookup on another table?

I have 2 controls inside a form <asp:DropDownList id="MyDDL" runat="server" OnSelectedIndexChanged="DoStuff()"> and <asp:treeview id="MyTree" runat="server" /> So changing my dropdownlist value OR click on a node in my tree can submit my form. I have a line in my Page_Load() that accesses...

0[0-9]{1,3}-[0-9]{5,7}$

Seems good alright but it fails on this case here "a hyphen character followed by 5-7 occurences of any digit" as if I try more than 7 characters after the hyphen the expression matches. Presumably the expression 0[0-9]{1,3}-[0-9]{5,7} reads like 0 followed by 1-3 more digits followed by a...

I'm trying to capture the following 'The digit 0 followed by 1-3 occurences of any digit and then a hyphen character followed by 5-7 occurences of any digit So like 025-23456, 057-3456789, 086-458953 etc Dim MyRegEx As New Regex("/^0\[0-9]{1,3}-\[0-9]{5,7}/") Does not seem to be...

I have a table of CartItems, with the ProductID bought and then an Extra field which is true or false. I want to see a grouping of a count of each ProductID but within that count I want to know the count of ProductIDs with extras. create table test(CartItemID int, ProductID int, Extra int)...

Cheers! Now if only you could translate that into .NET Linq it'd make my day week!

I have a table of CartItems, with the ProductID bought and then an Extra field which is true or false. I want to see a grouping of a count of each ProductID but within that count I want to know the count of ProductIDs with extras. So given create table test(CartItemID int, ProductID int...

I need a countdown timer from 3 minutes to that has 2 events. 1] When timer reaches 0, Event1 fired "Time Up" message 2] A specific user action, Event 2 fired, timer reset to 3 minutes. The problem I have is how to display the clock to the user but yet have the application retain control. I...

Is it possible to have an object available to all pages in a given solution? For example if I wanted to store a Database Object and make it available to all pages in my solution but the datasource of that object depended on a selection made by the user, how would I achieve that without passing...

Dim rx As New Regex("/^0\d{1,3)-\d{5,7}/") If(Not(rx.IsMatch("01-12345")))Then ' Why is this executed? End if Can anyone tell me why the pattern above does not match the string?

Can I get some help with a regular expression? I'm trying to express the following for a string Up to 4 digits, but the first digit must be a 0 followed by a hyphen followed by up to 7 digits. So the following are examples of valid strings 02-456 0546-456789 Thanks

When finishing off writing an XML file with XMLTextWriter at the point where you use WriteEndDocument, how can I add a vbCrLf to the end of this document? As in XMLTextWriter writes <a> <b></b> </a> <----- I want to add a carriage return after this line but using XMLTextWriter's...

hmm, my css must be wrong, that makes every td have a border on its own so, the css above gives me ____________________________ | ________ ________ | | |________| |________| | | ________ ________ | | |________| |________| | |___________________________| But I'm just...

I want to have 2 types of table styling - A coloured table border on the outside of the table only - A coloured table border outside and also on tds So basically a square box vs a grid, this works in FF but not in IE, can anyone help me colour the tds in the grid in IE? <!DOCTYPE html...

Usually I just bind a dataset to a datagrid but this time I want to have a great deal of flexibility as depending on some conditions each row that I display will look different. So I want to be able to loop through a datasets' results and output a row dynamically rather than just binding all...