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GridHyperLinkColumn or GridButtonColumn

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Marta
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Marta asked on 30 Apr 2009, 05:15 PM

Hi,

I am trying to add a column to my grid where there is a link to another page. For this, I have been using the GridHyperLinkColumn which does the job, but now instead of the text "View details" which I previously had as a hyperlink, I would like to place an icon (the same for every row in the grid). I tried with the GridHyperLinkColumn but I don't think it supports images. For this, I can only see using GridButtonColumn, but how do I insert the link with this type of column? The link is using the result from a select to detect the id of the content in order to form the url:

 

<telerik:GridHyperLinkColumn DataNavigateUrlFormatString="/lms_bd/ContentDetails.aspx?content={0}" Target="_self" DataTextFormatString="my edit page" DataNavigateUrlFields="ContentID" UniqueName="ExternalEditLink" HeaderText="View Details" Text="View" >
</telerik:GridHyperLinkColumn>

In the .cs code of the ContentDetails.aspx page, the control literal1 receives the value passed in the url:

protected void Page_Load(object sender, EventArgs e)

{
string thisContent = Request.QueryString["content"].ToString();
Literal1.Text = thisContent;
}

I then use the following paramater in my select command:

<SelectParameters>
<asp:ControlParameter ControlID="Literal1" Name="content" PropertyName="Text" Type="String" />
</SelectParameters>

Does anyone have any suggestions?
Thanks!

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Pavlina
Telerik team
answered on 04 May 2009, 08:27 AM
Hi Marta,

To achieve the desired functionality, I suggest that you use GridTemplateColumn with asp ImageButton inside it.
GridTemplateColumn displays each cell in the column in accordance with a specified template. This lets you provide custom controls in the column.

Please give a try of the code snippet bellow and let me know if it works for you.
ASPX:
<telerik:GridTemplateColumn HeaderText="View Details" UniqueName="ExternalEditLink">  
                        <ItemTemplate> 
                            <asp:ImageButton ID="ImageButton1" runat="server" PostBackUrl="~/Calendar/Default.aspx" 
                                ImageUrl="~/Common/Img/Icons/Grid.gif" /> 
                        </ItemTemplate> 
                    </telerik:GridTemplateColumn> 

For more information about column types, refer to the following articles:
Help topic
Demo

Kind regards,
Pavlina
the Telerik team

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Marta
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answered on 04 May 2009, 09:30 AM
Hi! Thanks for your reply! I still have a problem though. The solution you offered does not work for the postbackurl, since I am using the result of the query to retrieve the contentID which is part of the url. With the GridHyperlinkColumn, I had:

<telerik:GridHyperLinkColumn DataNavigateUrlFormatString="/lms_bd/ContentDetails.aspx?content={0}" Target="_self" DataTextFormatString="my edit page" DataNavigateUrlFields="ContentID" UniqueName="ExternalEditLink" HeaderText="View Details" Text="View" >
</telerik:GridHyperLinkColumn>

but with the GridTemplateColumn, the DataNavigateUrlFields does not exist, and is necessary so that I can form the url using the contentID. Any ideas?

Thanks a lot.
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Pavlina
Telerik team
answered on 07 May 2009, 05:39 AM
Hello Marta,

In order to progress in the resolution of this matter, I will ask you to open a formal support ticket and send us a small runnable application, so we can check it locally. As soon as I have an answer I will get back to you.

Thank you for your cooperation in advance.

Greetings,
Pavlina
the Telerik team

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Pavlina
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Marta
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