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trying to show new image in ajax slidehow extender immediately after uploading it

Posted By:      Posted Date: September 16, 2010    Points: 0   Category :ASP.Net
 hi,   On my aspx page I have a slidshow extender.   In the code behind I am filling a data table from the datbase and using GetSlides() Method to show the images in the slideshow. The problem is I have a file upload control on the page as well. When I upload  a new file I am expecting it to show in the slideshow after postback but it does not. Only when I click refresh again or cause another postback the second time does the new image show.   My code behind    private static DataTable tblData = new DataTable(); protected void Page_Load(object sender, EventArgs e)         string strSQL = "(my select query is here";        SqlConnection conn = new SqlConnection("Data Source=(mydatasource here");        conn.Open();            SqlDataAdapter da = new SqlDataAdapter(comm);        tblData = new DataTable();        da.Fill(tblData);         conn.Close();           // set the initial image        if (tblData.Rows.Count > 0)        {    

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