This response does not resolve my problem. If you nedd more details or some code i can send you.

Thank you in advance.

Some code will be good. Can you send me your page in which you are creating the charts?

When i use this code :

******************

            DataView dv = new DataView();
            dv = dt.DefaultView;
           
            int regionValue = (int)(((DataRowView)e.Item.DataItem).Row["RegionId"]);
            dv.RowFilter = "RegionId = " + regionValue;

*****************

I checked the data for the regionValue and i found that it changes his value.. So i think that the dataview is not the same.

Anyway, it work fine with the code you have proposed.

Thank you.

Thank you for your responce.

It works like a charm.

I think the issue here is that for every chart the DataView is the same.

 Try changing:

DataView dv = new DataView();

dv = dt.DefaultView;

to:

DataView dv = new DataView();

dv.Table = dt;

Thank you for your response,

In our project the DataView contain a lot of data (more than 100 000 records). I would not to copy the data t o an array. I would like to know why the chart does not work with DataView when i use a repeater control.

Thank you in advance.

Thank you for your response.

I tried your solution and it works with an array.

I have a question:

Why it does not work with the dataview?