multiple statments in inline c# on and asp.net page

Question

I have the following line in my aspx file:

<asp:Image ID="Image1" runat="server" ImageUrl='<%# MediaHelper.GetMediaUrl(Container.DataItem) %>' Height="114" Width="152"/>

Is it possible to add another line to the inline c# something like this?

<asp:Image ID="Image1" runat="server" ImageUrl='<%# MediaHelper.GetMediaUrl(Container.DataItem); SetImageSize(this) %>' Height="114" Width="152"/>

Darin Dimitrov · Accepted Answer · 2011-07-19 21:48:22Z

2

I am afraid that this is not possible. But you could write another method on this helper class which will invoke the two operations at once.

<asp:Image 
    ID="Image1" 
    runat="server" 
    ImageUrl='<%# MediaHelper.GetMediaUrlAndSetImageSize(Container.DataItem, this) %>' 
    Height="114" 
    Width="152"
/>

Also mixing C# code with ASPX might lead to spaghetti. I would tend to avoid it as much as possible.

answered Jul 19, 2011 at 21:48

Darin Dimitrov

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4 Comments

MBU Over a year ago

cool thanks! yeah this code is really messy. It was written that way by the previous developer and we dont have time to go through and fix it so I just have to get what i have working... How can i pass the image to the method. I just noticed passing "this" is the wrong object..

Darin Dimitrov Over a year ago

@MBU, which image? Is it part of the current data bound item? Container.DataItem might be sufficient as argument in this case.

MBU Over a year ago

i think so. basically i want to method to return the imageurl and at the same time i want to dynamically set the height and width of the image. Is that possible?

Darin Dimitrov Over a year ago

@MBU, you could also use the DataBinding syntax <%# %> to set the Width and Height properties.

rsbarro · Accepted Answer · 2011-07-19 22:13:23Z

1

You could use multiple method calls to accomplish what you are trying to do:

<asp:Image 
    ID="Image1" 
    runat="server" 
    ImageUrl='<%# MediaHelper.GetMediaUrl(Container.DataItem) %>' 
    Height="<%# MediaHelper.GetMediaHeight(Container.DataItem) %>" 
    Width="<%# MediaHelper.GetMediaWidth(Container.DataItem) %>"
/>

Or just bind an object to the control that has all of those values exposed as properties.

answered Jul 19, 2011 at 22:13

rsbarro

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2 Comments

MBU Over a year ago

what would the return type have to be? string?

rsbarro Over a year ago

In the example above, the return type for GetMediaUrl would be string. The return type for GetMediaHeight and GetMediaWidth would be int (or possibly System.Web.UI.WebControls.Unit).

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