dynamic

User Control created dynamically not able to handle events on PostBack

I have a user control which is loaded in the page dynamically using the following code in Init of the Page. Dim oCtl As Object oCtl = LoadControl("~/Controls/UserControl1.ascx") oCtl.Id = "UserControl11" PlaceHolder1.Controls.Clear() PlaceHolder1.Controls.Add(oCtl) The user control also contains a button and I am unable to capture th...

Data structure for assembly code? [research]

I'm planning to create a data structure optimized to hold assembly code. That way I can be totally responsible for the optimization algorithms that will be working on this structure. If I can compile while running. It will be kind of dynamic execution. Is this possible? Have any one seen something like this? Should I use structs to link...

Dynamically created operators

I created a program using dev-cpp and wxwidgets which solves a puzzle. The user must fill the operations blocks and the results blocks, and the program will solve it. Im solving it using bruteforce, i generate all non repeated 9 length number combinations using a recursive algorithm. It does it pretty fast. Up to here all is great! But t...

How can I dynamically create a selector at runtime with Objective-C?

I know how to create a SEL at compile time using @selector(MyMethodName:) but what I want to do is create a selector dynamically from an NSString. Is this even possible? What I can do: SEL selector = @selector(doWork:); [myobj respondsToSelector:selector]; What I want to do: (pseudo code, this obviously doesn't work) SEL selector = ...

Dynamic LINQ and Dynamic Lambda expressions?

What is the best way of dynamically writing LINQ queries and Lambda expressions? I am thinking of applications where the end user can design business logic rules, which then must be executed. I am sorry if this is a newbie question, but it would be great to get best practices out of experience. ...

Pulling in a dynamic image in a control based on a url using C# and ASP.net

I know this is a dumb question. For some reason my mind is blank on this. Any ideas? Sorry should have been more clear. Using a HtmlGenericControl to pull in link description as well as image. private void InternalCreateChildControls() { if (this.DataItem != null && this.Relationships.Count > 0) { ...

How can I leverage an ORM for a database whose schema is unknown until runtime?

I am trying to leverage ORM given the following requirements: 1) Using .NET Framework (latest Framework is okay) 2) Must be able to use Sybase, Oracle, MSSQL interchangeably 3) The schema is mostly static, BUT there are dynamic parts. I am somewhat familiar with SubSonic and NHibernate, but not deeply. I get the nagging feeling that th...

Converting a UNION query in MySQL

Hi All, I have a very large table (8gb) with information about files, and i need to run a report against it that would would look something like this: (select * from fs_walk_scan where file_path like '\\\\server1\\groot$\\%' order by file_size desc limit 0,30) UNION ALL (select * from fs_walk_scan where file_path like '\\\\server1\\hro...

How do you add dynamic 'where' clauses to a linq query?

I've got a User table with a bitmask that contains the user's roles. The linq query below returns all the users whose roles include 1, 4 or 16. var users = from u in dc.Users where ((u.UserRolesBitmask & 1) == 1) || ((u.UserRolesBitmask & 4) == 4) || ((u.UserRolesBitmask & 16) == 16) ...

How To have Dynamic SQL in MySQL Stored Procedure

How do you build and use dynamic sql in a MySQL stored procedure? ...

Getting file name of file directed by .htaccess?

Hello. I'm making a dynamic image for a forum that doesn't allow dynamic images. I tried using .htacess to redirect all *.png files to image.png... which works perfectly, but from here I can't seem to be able to get the filename of the .png that was requested to generate the content. is there a way to do this? For example... user ...

Problem with dynamic controls in .NET

Problem with dynamic controls Hello all, I'm wanting to create some dynamic controls, and have them persist their viewstate across page loads. Easy enough, right? All I have to do is re-create the controls upon each page load, using the same IDs. HOWEVER, here's the catch - in my PreRender event, I'm wanting to clear the controls co...

Winforms - Dynamic Load / Save Settings

I have a "settings file" in my Winforms application called Settings.settings with a partial class for custom methods, etc. Is there a way to load / save dynamic settings based on arbitrary keys? For example, I have some ListViews in my application in which I want to save / load the column widths; Instead of creating a width setting for ...

Are Dynamic Prepared Statements Bad? (with php + mysqli)

I like the flexibility of Dynamic SQL and I like the security + improved performance of Prepared Statements. So what I really want is Dynamic Prepared Statements, which is troublesome to make because bind_param and bind_result accept "fixed" number of arguments. So I made use of an eval() statement to get around this problem. But I ge...

Dynamically Positioned Flex Components

I have a requirement on my current project (a Flex app which will be run in Flash player) to display an arbitrary subset of the components on a form while hiding all the other components based on certain aspects of the application state. There are about a dozen different text boxes and drop downs, but some become irrelevant based on pre...

Help Regarding Dynamic Proxy

I am seeing following exception when I try to use dynamic proxy com.intellij.rt.execution.application.AppMain DynamicProxy.DynamicProxy Exception in thread "main" java.lang.IllegalArgumentException: interface Interfaces.IPerson is not visible from class loader at java.lang.reflect.Proxy.getProxyClass(Proxy.java:353) at java.lan...

Dynamically Loading External Modules in a C Program?

I'm sure this problem has been solved before and I'm curious how its done. I have code in which, when run, I want to scan the contents of a directory and load in functionality. Specifically, I am working with a scripting engine that I want to be able to add function calls to. I want the core engine to provide very limited functionality....

Usercontrol with button - When uc is added dynamically to another page

Usercontrol with button - When uc is added dynamically to another page I loose the button handler. ie: I have 1 usercontrol with 1 button - the button has an event handler in the code behind. When i add the UserControl to a page programatically the button handler does not fire. Any idea of an easy way to fix this. Typically when ive ...

Is there a best practice for generating html with javascript

I'm calling a web service that returns an array of objects in JSON. I want to take those objects and populate a div with html. Let's say each object contains a url and a name. If i wanted to generate the following html for each object: <div><img src="the url" />the name</div> Is there a best practice for this? I can see three w...

Problem adding dynamic columns to an ASP.NET Gridview

I'm having a problem dynamically adding columns to a GridView. I need to change the layout -- i.e. the included columns -- based on the value in a DropDownList. When the user changes the selection in this list, I need to remove all but the first column and dynamically add additional columns based on the selection. I have only one colu...