[RESOLVED] prevent show image button

I bound image button to data in datalist, (image url saved) How to prevent show image button when data have not image.(image url=empty) because in this case (image url=empty) the image button show whit no image whit X

bind Visible property of the button like this

Visible ='<%# Eval("ImageUrl") == System.DbNull.Value ? False : True %>'

oned_gk

bind Visible property of the button like this
Visible ='<%# Eval("ImageUrl") == System.DbNull.Value ? False : True %>'

This is not work:

VB?

Try this

Visible ='<%# Not Isdbnull(Eval("ImageUrl")) %>'

oned_gk

VB?
Try this
Visible ='<%# Not Isdbnull(Eval("ImageUrl")) %>'

this is not work, when the imagurl = null the imagebutton show whit X

protected void dlstControl_ItemDataBound(object sender, DataListItemEventArgs e)
        {
           if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
            {

                ((ImageButton)e.Item.Controls[Your ImageButton Index]).Visible =
((YourDataSourceType)e.Item.DataItem).ImageUrlProperty == null ? true : false;
                
                //OR
                ((ImageButton)e.Item.Controls[Your ImageButton Index]).Visible =
((ImageButton)e.Item.Controls[Your ImageButton Index]).ImageUrl == null ? true : false;
            }
        }

mehr_83

this is not work, when the imagurl = null the imagebutton show whit X

Make sure the value is null instead empty string

For empty string try this

Visible ='<%# IIF(Eval("ImageUrl")="",false,true) %>'

oned_gk

VB?
Try this
Visible ='<%# Not Isdbnull(Eval("ImageUrl")) %>'

excuse me, this is work.

but

how to check the imagurl isempty and not checkto null

Make all empty string

ISNULL(IMAGEURL,'') as IMG

String.IsNullOrEmpty(Convert.ToString(Eval("ImageUrl")))? ...