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Chnage RadGridViewColumn to Hyperlink not working

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Ricardo
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Ricardo asked on 21 Aug 2018, 11:36 AM

Hi,

 

I'm creating a radgridview from an existing datatable. I need one column to have all its cells as hyperlinks to a directory.

I tried:

GridViewHyperlinkColumn gridViewHyperlinkColumn = new GridViewHyperlinkColumn()
{
Header = "test",
TargetName = "c://" + rowValue
};
 
gridViewHyperlinkColumn.PreviewMouseDown += OpenTarget;
 
datarow[column] = gridViewHyperlinkColumn;

 

 

But the cell shows the following result: Telerik.Windows.Controls.GridViewHyperlinkColumn instead of showing the row value underlined.

 

Can anyone help me?

 

Regards


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Stefan
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answered on 23 Aug 2018, 10:39 AM
Hi Ricardo,

In order to display the needed property value in the cell of the column the DataMemberBinding of GridViewHyperlinkColumn needs to be set. Please, take a look at the Hyperlink Column topic and Column Types WPF Demo for more information on the matter.

Regards,
Stefan
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Ricardo
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answered on 23 Aug 2018, 11:11 AM

Hi Stefan,

 

I followed the example and tried the following:

string url = "c://";
 
Binding binding = new Binding(url)
{
     Mode = BindingMode.OneWay,
     UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged                           
};
 
GridViewHyperlinkColumn gridViewHyperlinkColumn = new GridViewHyperlinkColumn()
{
      Header = rowValue,
      TargetName = url,
      DataMemberBinding = binding
 };

 

But the row display stayed the same: Telerik.Windows.Controls.GridViewHyperlinkColumn

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Stefan
Telerik team
answered on 28 Aug 2018, 10:08 AM
Hello Ricardo,

Thanks for the update.

As demonstrated in the referred article, the DataMemberBinding of the column needs to be bound to a property of the bound object. This property, on the other hand, can return the needed url. I have prepared a sample application as a demonstration for your convenience.

I hope this helps.

Regards,
Stefan
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Ricardo
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answered on 28 Aug 2018, 09:24 PM

Hi Stefan,

I followed the example and tried:

TeamUrl = "C://";
 
                        Binding binding = new Binding(TeamUrl)
                        {
                            Mode = BindingMode.OneWay,
                            UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged,
                        };
 
                        GridViewHyperlinkColumn gridViewHyperlinkColumn = new GridViewHyperlinkColumn()
                        {
                            Header = "Header",
                            TargetName = TeamUrl,
                            TextDecorations = TextDecorations.Underline,
                            DataMemberBinding = binding
                        };
 
                        gridViewHyperlinkColumn.PreviewMouseDown += OpenTarget;
 
 TableGridView.Columns.Add(gridViewHyperlinkColumn);

 

TableGridView.Items.Add(TeamUrl);

But i get an error:

System.Windows.Data Error: 40 : BindingExpression path error: 'C:' property not found on 'object' ''String' (HashCode=15947561)'. BindingExpression:Path=C://; DataItem='String' (HashCode=15947561); target element is 'HyperlinkButton' (Name=''); target property is 'Content' (type 'Object')
System.Windows.Data Error: 40 : BindingExpression path error: 'C:' property not found on 'object' ''String' (HashCode=15947561)'. BindingExpression:Path=C://; DataItem='String' (HashCode=15947561); target element is 'HyperlinkButton' (Name=''); target property is 'NavigateUri' (type 'Uri')

 

I also tried :

TeamUrl = "C://";
                        Binding binding = new Binding(TeamUrl)
                        {
                            Mode = BindingMode.OneWay,
                            UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged,
                        };
                        GridViewHyperlinkColumn gridViewHyperlinkColumn = new GridViewHyperlinkColumn()
                        {
                            Header = "Header",
                            TargetName = TeamUrl,
                            TextDecorations = TextDecorations.Underline,
                            DataMemberBinding = binding
                        };
                        gridViewHyperlinkColumn.PreviewMouseDown += OpenTarget;
TableGridView.Columns.Add(gridViewHyperlinkColumn);

 

TableGridView.Items.Add(new Uri(TeamUrl));

But a bunch of columns appeared and when none of them allows me to click and open the folder.

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Stefan
Telerik team
answered on 30 Aug 2018, 03:42 PM
Hi Ricardo,

I can confirm that the column needs to be bound to a property of the bound data item. The Binding cannot be defined to point directly to the file path. Instead, the bound item can have a string property and the filed of this property can return the file path. Please, refer to the example provided with my previous reply as it demonstrates the approach.

Regards,
Stefan
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Ricardo
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answered on 30 Aug 2018, 04:06 PM
thanks for the help Stefan, i found another way to "mask" the column as a Hyperlink column without needing to define the column or bindings. I just created a style, that simulates a hyperlink, and when the user clicks on it, it opens the directory.
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