Hi , I have got problem with passing my inline based value to y user control (or custom control, no matter which one I use, I have tried both to make sure it doesnt matter) . So say I have property called ImagePath and i want to pass my value through asp.net specific inline cunstruction: <uc:MyControl runat=server id="someId" ImagePath="<%= Request.ApplicationPath %>/App_Themes/<%= Page.Theme %>/Images/ ball_.png" />, problem that in my property I get value exactly word for word:<%= Request.ApplicationPath %>/App_Themes/<%= Page.Theme %>/Images/ ball_.png , but i Should get it like: /WebSiteRoot/App_Themes/Green/Images/ball_.png. For example if I use simple img html tag i works: <img src="<%= Request.ApplicationPath %>/App_Themes/<%= Page.Theme %>/ Images/ball_.png" /> But if i add runat=server it brokes and i dont see any image coz the path of image already messy string with <%= and so on. I tried a lot of attributes to my ImagePath that found in web posts to let it work (i.e.: [Bindable(true)],[Category("Data")], [Browsable(true)] and many more) but no result. Please let me know if you can resolve this interesting trick somehow?
I was taught to troubleshoot using isolation: test one thing at a time. So isolate your expressions you are attempting to bind to the page. I also bring to your attention the use of the root path operator (~) so useful to resolve paths. I would then isolate the use of Request.ApplicationPath and get that part of your path correct. Some parts of your path would look like "~/Images/ball_.png" for example and I don't even think App_Theme is known to anything but the compiler but I could be wrong about that as I don't think we can bind the Theme to the page using an expression which may be why using Server controls vs HTML controls appears to produce results. "AleXmanFree" wrote in message news:74820c4f-d2d6-4742-8d0d-15eb1fd5dea3@z72g2000hsb.googlegroups.com... > Hi , I have got problem with passing my inline based value to y user > control (or custom control, no matter which one I use, I have tried > both to make sure it doesnt matter) . > So say I have property called ImagePath and i want to pass my value > through asp.net specific inline cunstruction: > <uc:MyControl runat=server id="someId" ImagePath="<%= > Request.ApplicationPath %>/App_Themes/<%= Page.Theme %>/Images/ > ball_.png" />, > > problem that in my property I get value exactly word for word:<%= > Request.ApplicationPath %>/App_Themes/<%= Page.Theme %>/Images/ > ball_.png , but i Should get it like: > /WebSiteRoot/App_Themes/Green/Images/ball_.png. > > For example if I use simple img html tag i works: > <img src="<%= Request.ApplicationPath %>/App_Themes/<%= Page.Theme %>/ > Images/ball_.png" /> > But if i add runat=server it brokes and i dont see any image coz the > path of image already messy string with <%= and so on. > > I tried a lot of attributes to my ImagePath that found in web posts to > let it work (i.e.: [Bindable(true)],[Category("Data")], > [Browsable(true)] and many more) but no result. > > > > Please let me know if you can resolve this interesting trick somehow?
Finally I found a good solution for this case. Here is very good post of Dave Reed: http://weblogs.asp.net/infinitiesloop/archive/2006/08/09/The-CodeExpressionBuilder.aspx The short steps to achieve similar result are: 1) Create a class which inherits ExpressionBuilder: using System; using System.Collections.Generic; using System.Text; using System.CodeDom; using System.Web.Compilation; using System.Web.UI; namespace Helper.Configurators { [ExpressionPrefix("InlineCode")] public class CodeExpressionBuilder : ExpressionBuilder { public override CodeExpression GetCodeExpression(BoundPropertyEntry entry, object parsedData, ExpressionBuilderContext context) { return new CodeSnippetExpression(entry.Expression); } } } 2) register the newly created class in Web.Config: <expressionBuilders> <add expressionPrefix="InlineCode" type="Helper.Configurators.CodeExpressionBuilder"/> </expressionBuilders> (it must be putted inside <configuration>) 3) and us it: CategoryImage='<%$ InlineCode: Request.ApplicationPath+ "/App_Themes/" +Page.Theme+ "/Images/ball_.png" %>' Enjoy.
I really appreciate your commitment to come back to put this news article into perspective. I needed more insight into the use of the ExpressionBuilder class myself. Thanks again... "AleXmanFree" wrote in message news:af121179-4f3f-48ec-8ba2-2455b3c12cd7@i76g2000hsf.googlegroups.com... > Finally I found a good solution for this case. > Here is very good post of Dave Reed: > http://weblogs.asp.net/infinitiesloop/archive/2006/08/09/The-CodeExpressionBuilder.aspx > > > The short steps to achieve similar result are: > > 1) Create a class which inherits ExpressionBuilder: > > using System; > using System.Collections.Generic; > using System.Text; > using System.CodeDom; > using System.Web.Compilation; > using System.Web.UI; > > namespace Helper.Configurators > { > [ExpressionPrefix("InlineCode")] > public class CodeExpressionBuilder : ExpressionBuilder > { > public override CodeExpression GetCodeExpression(BoundPropertyEntry > entry, object parsedData, ExpressionBuilderContext context) > { > return new CodeSnippetExpression(entry.Expression); > } > } > } > > 2) register the newly created class in Web.Config: > > <expressionBuilders> > <add expressionPrefix="InlineCode" > type="Helper.Configurators.CodeExpressionBuilder"/> > </expressionBuilders> > > (it must be putted inside <configuration>) > > 3) and us it: > > CategoryImage='<%$ InlineCode: Request.ApplicationPath+ "/App_Themes/" > +Page.Theme+ "/Images/ball_.png" %>' > > > Enjoy.
