Symptom
- Report run in a Visual Studio Web application prompts for parameters
- The report does not render in the viewer, unless the F5 button is pressed
Environment
- SAP Crystal Reports, developer version for Microsoft Visual Studio
- Microsoft Visual Studio
- Telerik RadAjaxPanel
Cause
- The viewer description is contained within theTelerikRadAjaxPanel
<telerik:RadAjaxPanel ID="AjaxPanel1" runat="server"
LoadingPanelID="MasterLoadingPanel" ClientEvents-OnRequestStart="centerLoadingPanelWithAjax">...
<asp:Button ID="GenerateReportButton" Text="Generate Report" runat="server"
OnClientClick="SetGenerateButtonClientId(this.id)"
OnClick="GenerateReport_Click" />
<asp:Panel runat="server" ID="ReportPanel" BackColor="White" Visible="true">
<CR:CrystalReportViewer ID="CrystalReportViewer1"
EnableDatabaseLogonPrompt="false"
Visible="true" runat="server"
AutoDataBind="true"
HasCrystalLogo="False"
HasDrillUpButton="False"
HasSearchButton="False"
HasToggleGroupTreeButton="False"
HasZoomFactorList="False"
HasExportButton="False"
HasPrintButton="False" ShowAllPageIds="True"
ToolbarStyle-BackColor="WhiteSmoke"
ToolbarStyle-BorderColor="WhiteSmoke"
ReuseParameterValuesOnRefresh="True"
EnableDrillDown="False"
BestFitPage="true"
ToolPanelView="None" />
...</telerik:RadAjaxPanel>
Resolution
- Move the report viewer and the associated button that will generate the reports outside theRadAjaxPanel
<telerik:RadAjaxPanel ID="AjaxPanel1"
runat="server"
LoadingPanelID="MasterLoadingPanel"
ClientEvents-OnRequestStart="centerLoadingPanelWithAjax">...
</telerik:RadAjaxPanel>
<asp:Button ID="GenerateReportButton"
Text="Generate Report" runat="server"
OnClientClick="SetGenerateButtonClientId(this.id)"
OnClick="GenerateReport_Click" /><asp:Panel runat="server" ID="ReportPanel" BackColor="White" Visible="true">
<CR:CrystalReportViewer ID="CrystalReportViewer1"
EnableDatabaseLogonPrompt="false"
Visible="true" runat="server"
AutoDataBind="true"
HasCrystalLogo="False"
HasDrillUpButton="False"
HasSearchButton="False"
HasToggleGroupTreeButton="False"
HasZoomFactorList="False"
HasExportButton="False"
HasPrintButton="False"
ShowAllPageIds="True"
ToolbarStyle-BackColor="WhiteSmoke"
ToolbarStyle-BorderColor="WhiteSmoke"
ReuseParameterValuesOnRefresh="True"
EnableDrillDown="False"
BestFitPage="true"
ToolPanelView="None" />
Keywords
CRVS CR 2010 2012 blank empty , KBA , BI-DEV-NET-SDK , .NET SDK / COM SDK , Problem
Product
SAP Crystal Reports, developer version for Microsoft Visual Studio