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page postback problem with crystal report

Posted By:      Posted Date: August 21, 2010    Points: 0   Category :ASP.Net

Hi , i am creating crystal report with asp.net it is working showing data but  data is of two page its is take round trip action but report is not show 
until again i click on show button in this it is not propersly showing that data is how.

<br />
    <asp:Button ID="btnShow" runat="server" OnClick="btnShow_Click" Text="Show Report" />
<CR:CrystalReportViewer ID="CrystalReportViewer1" runat="server" AutoDataBind="true" DisplayGroupTree="False" EnableDatabaseLogonPrompt="False" /> CrystalReportViewer1.ReportSource = null; SqlCommand cmd = new SqlCommand(strcmd, c.con); SqlDataAdapter da = new SqlDataAdapter(cmd); DataSet ds = new DataSet(); da.Fill(ds); ReportDocument doc = new ReportDocument(); doc.Load(AppDomain.CurrentDomain.BaseDirectory + "\\rptQuotation.rpt"); doc.SetDataSource(ds.Tables[0]); // login info SqlConnectionStringBuilder csb = new SqlConnectionStringBuilder(ConfigurationManager.ConnectionStrings["conStr"].ConnectionString); TableLogOnInfos crtableLogoninfos = new TableLogOnInfos(); TableLogOnInfo crtableLogoninfo = new Tabl

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