Solved

Telerik RadTagCloud dynamic databinding...

Posted on 2011-03-07

1 solution

833 Views

Last Modified: 2012-05-11

I have this code to fill the TagCloud control, but I don't know how can I set the NavigateUrl to a field which is not contained in database, something like ("~/Postbackpage.aspx?Make=Audi") ...for each tag there will be a different querystring for the NavigateUrlField.

protected void BindTagCloudToDataTable(RadTagCloud cloud) 
    { 
        SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["SpecsConnectionString"].ConnectionString); 
        SqlDataAdapter adapter = new SqlDataAdapter("SELECT [Make],count(*) AS [Weight] FROM [VehicleSpecs] group by [Make] ORDER BY [Make]", con); 
        DataTable links = new DataTable(); 
        adapter.Fill(links); 
  
        cloud.DataTextField = "Make"; 
        cloud.DataWeightField = "Weight"; 
        cloud.DataNavigateUrlField = "NavigateUrl"; 
        cloud.DataSource = links; 
        cloud.DataBind(); 
    }

Open in new window

Comment

Question by:evo_x

[X]

Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

Help others & share knowledge
Earn cash & points
Learn & ask questions

Join The Community

3 Comments

LVL 2

Expert Comment

by:grossac

ID: 350620632011-03-07

I haven't use the TagCloud but I would think that you can do something like this:

protected void BindTagCloudToDataTable(RadTagCloud cloud) 
    { 
        SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["SpecsConnectionString"].ConnectionString); 
        SqlDataAdapter adapter = new SqlDataAdapter("SELECT [Make],count(*) AS [Weight] FROM [VehicleSpecs] group by [Make] ORDER BY [Make]", con); 
        DataTable links = new DataTable(); 
        adapter.Fill(links); 
  
        cloud.DataTextField = "Make"; 
        cloud.DataWeightField = "Weight"; 
        cloud.DataNavigateUrlField = "/PostBackPage.aspx?Make=" + "Make"
        cloud.DataSource = links; 
        cloud.DataBind(); 
    }

Open in new window

With "Make" being the make text from the data adapter

Just a guess.

http://www.telerik.com/help/aspnet-ajax/tagclouddatabinding.html

LVL 2

Author Comment

by:evo_x

ID: 350621092011-03-07

This does not work, I get this error:
DataBinding: 'System.Data.DataRowView' does not contain a property with the name '/PostBackPage'.

LVL 2

Accepted Solution

by:grossac

grossac earned 500 total points

ID: 350623342011-03-07

I didn't test it before, try this...

protected void BindTagCloudToDataTable(RadTagCloud cloud) 
    { 
        SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["SpecsConnectionString"].ConnectionString); 
        SqlDataAdapter adapter = new SqlDataAdapter("SELECT [Make],count(*) AS [Weight] FROM [VehicleSpecs] group by [Make] ORDER BY [Make]", con); 
        DataTable links = new DataTable(); 
        adapter.Fill(links); 
  
        cloud.DataTextField = "Make"; 
        cloud.DataWeightField = "Weight"; 
        cloud.DataSource = links; 
        cloud.DataBind(); 
    } 

            foreach (RadTagCloudItem item in cloud.Items)
            {
                item.NavigateUrl = "/PostBackPage.aspx?Make=" + item.Text;
            }

Open in new window

Featured Post

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Easy Step: How to Create Context Sensitive Help

Article by: Roayn

When it comes to write a Context Sensitive Help (an online help that is obtained from a specific point in state of software to provide help with that state) , first we need to make the file that contains all topics, which are given exclusive IDs. …