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• Dynamic Code Compile/Execution in Custom Control

  I am building a custom control. Part of the UI for this custom control is an XML defined data entry form. The fields, layout, etc... are defined in the XML. I would like to allow for certain properties, such as default values for the controls specified in the xml, to be code expressions. A specific Example for use on an Intranet: i want to be able to write something like <Field ...other properties... DefaultValueExpression="System.Web.HttpContext.Current.Request.UserHostName" /> And

  Posted to Custom Server Controls (Forum) by pawicks on 9/25/2009

• Re: Dynamic Code Compile/Execution in Custom Control

  That is one of the ways I am considering already, and I appreciate the link as it has a good working example i can use. But I am looking for an approach that works kind of the same way that expressions work. Kind of like the Code Expression ( http://weblogs.asp.net/infinitiesloop/archive/2006/08/09/The-CodeExpressionBuilder.aspx ), but that can be used in code-behind/custom control. I kind of assumed that if I Can do it in design view i should be able to do it in code.

  Posted to Custom Server Controls (Forum) by pawicks on 9/25/2009

• Re: Error running Oracle Function

  Looks like I was using the wrong connection string... Works now :)

  Posted to Oracle (Forum) by pawicks on 2/4/2009

• Error running Oracle Function

  I am trying to run an oracle function inside of a package and I get an error saying that the function is "Not a procedure or is undefined". The function does not take any parameters and I can run it fine from the Oracle server. Protected Sub ExecuteCommandNonQuery() Dim oCMD As New OracleClient.OracleCommand() oCMD.CommandText = "Package.FunctionName" oCMD.Connection = _oConnSSIS 'Connection string to DEV Environment oCMD.CommandType = CommandType.StoredProcedure 'Add

  Posted to Oracle (Forum) by pawicks on 2/3/2009

• Re: retrieving image from web custom control project folder

  I based this code off of the code from http://aspalliance.com/726 and then combined it with your code. output.AddAttribute(HtmlTextWriterAttribute.Src, Page.ClientScript.GetWebResourceUrl( Me . GetType (), "Resources/A.gif" )) output.RenderBeginTag(HtmlTextWriterTag.Img) output.RenderEndTag() --Peter

  Posted to Custom Server Controls (Forum) by pawicks on 12/10/2008

• Re: authorization on WebPart

  If you don't have any roles then you will need to do this on a user by user basis. You could keep track of this in a table/xml/or hard code it. 'HasPermission is a method that checks if the current user has permission to view webpart if Not HasPermission(CurrentUserName, "MyWebPartName" ) Then MyWebPartObject.Visible = False 'if code is inside of your webpart then you could do 'me.visible = false End If 'Has Permission might look something like this private function

  Posted to Custom Server Controls (Forum) by pawicks on 12/10/2008

• Re: Adding controls dynamically to your custom control at runtime.

  If I am understanding your question correctly, then the answer is yes... for i as integer = 0 to pages.Count 'Add a new asp:hyperlink to go to page Dim hl as new Hyperlink() hl.Text = "Page " + i.ToString() AddHandler hl.Click, AddressOf SomeEventToFireOnClickForPageChange MyCoolPageChangerHolderPanel.Controls.Add(hl) next I free handed that, so sorry if it isn't quite perfect. --Peter

  Posted to Custom Server Controls (Forum) by pawicks on 12/10/2008

• Re: Subtags in a custom usercontrol?

  I wanted to do this a while ago too and ended up using Reflector to find out how Microsoft does it. After that it was easy: 'parse children is what causes all child list items to be consumed ' and will be placed into the Items collection <ParseChildren( True , "Items" )> _ Public Class EatsListItems Inherits WebControl Public Property Items() As ListItemCollection Get Return _Items End Get Set ( ByVal value As ListItemCollection) _Items = value End Set End Property Protected

  Posted to Custom Server Controls (Forum) by pawicks on 12/10/2008

• Inheriting from existing WebControl viewstate issue

  I have a few very simplified controls shown below. The first control inherits from Table and adds a row, a cell, and a checkbox with autopostback enabled. The second control inherits from panel and adds a checkbox with autopostback enabled. The third inherits from CompositeControl and adds a checkbox with autopostback enabled. Only the third one maintains the viewstate (check state) of the checkbox on postback... What do I need to do to make the other two work?? Public Class TableTestControl Inherits

  Posted to Custom Server Controls (Forum) by pawicks on 12/10/2008

• SOLUTION: Three State CheckBox Custom Control

  I had a need for a three state checkbox and ended up building a custom control that takes care of it. The states are True/False/Null, or in my code more like True/False/Inherit. The cylce (A normal checkbox is True/False/True/False/etc...) is True/False/Null/True/False/Null/etc... Null is shown by changing the background color of the checkbox, which defaults to LightGrey but can be specified through the InheritColor property (NullColor might be a better choice but you can change it if you want).

  Posted to Custom Server Controls (Forum) by pawicks on 11/20/2008