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The question about radgrid display

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vincent chen
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vincent chen asked on 08 Jul 2010, 09:19 AM
Hi ,
I use the two div to load radgrids which one only show grid title (null data) ,other show detail data. and  use javascript to control them, but display abnormal..
If i have not set grid AllowScroll=true,and not use the RadFormDecorator control,webpage can be show normal...Once i setup one of them,the page will show abnormal. 
my project must be used grid allow scroll and RadFormDecorator .

the attachment is  error screen,

I don't know how to handle, please help me! Thank you..
<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<head runat="server">
    <title>Div+RadGird Error</title>
    <script language="javascript" type="text/javascript">
        function showdiv()
        {
            var obj=document.getElementById("DType").value;
            if(obj==1)
            {
                document.getElementById("Div_NullData").style.display="none";
                document.getElementById("Div_FullData").style.display="";
            }
            else
            {
                document.getElementById("Div_NullData").style.display="";
                document.getElementById("Div_FullData").style.display="none";
            }
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
        <telerik:RadScriptManager ID="RadScriptManager1" runat="server">
        </telerik:RadScriptManager>
        <telerik:RadFormDecorator ID="RadFormDecorator1" runat="server" DecoratedControls="All" />
        <select id="DType" onclick="showdiv()">
            <option value="0" selected="selected">Null Data</option>
            <option value="1">Full Data</option>
        </select>
    <div id="Div_NullData">
        <telerik:RadGrid ID="RadGrid1" runat="server" DataSourceID="SqlDataSource1" GridLines="None" Width="780">
            <HeaderContextMenu EnableAutoScroll="True">
            </HeaderContextMenu>
            <MasterTableView AutoGenerateColumns="False" DataKeyNames="CustomerID" DataSourceID="SqlDataSource1">
                <RowIndicatorColumn>
                    <HeaderStyle Width="20px" />
                </RowIndicatorColumn>
                <ExpandCollapseColumn>
                    <HeaderStyle Width="20px" />
                </ExpandCollapseColumn>
                <Columns>
                    <telerik:GridBoundColumn DataField="CustomerID" HeaderText="CustomerID" ReadOnly="True"
                        SortExpression="CustomerID" UniqueName="CustomerID">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="CompanyName" HeaderText="CompanyName" SortExpression="CompanyName"
                        UniqueName="CompanyName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="ContactName" HeaderText="ContactName" SortExpression="ContactName"
                        UniqueName="ContactName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="ContactTitle" HeaderText="ContactTitle" SortExpression="ContactTitle"
                        UniqueName="ContactTitle">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="Address" HeaderText="Address" SortExpression="Address"
                        UniqueName="Address">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="City" HeaderText="City" SortExpression="City"
                        UniqueName="City">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="Region" HeaderText="Region" SortExpression="Region"
                        UniqueName="Region">
                    </telerik:GridBoundColumn>
                </Columns>
            </MasterTableView>
        </telerik:RadGrid>
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" SelectCommand="SELECT * FROM [Customers] WHERE 1=0"></asp:SqlDataSource>
    </div>
    <div id="Div_FullData" style="display:none">
        <telerik:RadGrid ID="RadGrid2" runat="server" DataSourceID="SqlDataSource2" GridLines="None"   Width="780" Height="300px">
            <HeaderContextMenu EnableAutoScroll="True">
            </HeaderContextMenu>
            <MasterTableView AutoGenerateColumns="False" DataKeyNames="CustomerID" DataSourceID="SqlDataSource2">
                <Columns>
                    <telerik:GridBoundColumn DataField="CustomerID" HeaderText="CustomerID" ReadOnly="True"
                        SortExpression="CustomerID" UniqueName="CustomerID">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="CompanyName" HeaderText="CompanyName" SortExpression="CompanyName"
                        UniqueName="CompanyName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="ContactName" HeaderText="ContactName" SortExpression="ContactName"
                        UniqueName="ContactName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="ContactTitle" HeaderText="ContactTitle" SortExpression="ContactTitle"
                        UniqueName="ContactTitle">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="Address" HeaderText="Address" SortExpression="Address"
                        UniqueName="Address">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="City" HeaderText="City" SortExpression="City"
                        UniqueName="City">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="Region" HeaderText="Region" SortExpression="Region"
                        UniqueName="Region">
                    </telerik:GridBoundColumn>
                </Columns>
            </MasterTableView>
            <ClientSettings>
                <Scrolling AllowScroll="True" />
            </ClientSettings>
        </telerik:RadGrid>
        <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" SelectCommand="SELECT TOP 20  * FROM [Customers]"></asp:SqlDataSource>
         
    </div>
    </form>
</body>
</html>

1 Answer, 1 is accepted

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Dimo
Telerik team
answered on 08 Jul 2010, 09:31 AM
Hello Vincent,

First of all, you should use onchange instead of onclick for the <select> element.

In addition, calling repaint() for the RadGrid instance with scrolling is required, because otherwise the control cannot adjust its layout while invisible.

<%@ Page Language="C#" %>
<%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>
  
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  
<head runat="server">
    <title>Div+RadGird Error</title>
    <telerik:RadCodeBlock ID="RCB1" runat="server">
    <script language="javascript" type="text/javascript">
        function showdiv()
        {
            var obj=document.getElementById("DType").value;
            if(obj==1)
            {
                document.getElementById("Div_NullData").style.display="none";
                document.getElementById("Div_FullData").style.display="";
                $find("<%= RadGrid2.ClientID %>").repaint();
            }
            else
            {
                document.getElementById("Div_NullData").style.display="";
                document.getElementById("Div_FullData").style.display="none";
            }
        }
    </script>
    </telerik:RadCodeBlock>
</head>
<body>
    <form id="form1" runat="server">
        <telerik:RadScriptManager ID="RadScriptManager1" runat="server">
        </telerik:RadScriptManager>
        <telerik:RadFormDecorator ID="RadFormDecorator1" runat="server" DecoratedControls="All" />
        <select id="DType" onchange="showdiv()">
            <option value="0" selected="selected">Null Data</option>
            <option value="1">Full Data</option>
        </select>
    <div id="Div_NullData">
        <telerik:RadGrid ID="RadGrid1" runat="server" DataSourceID="SqlDataSource1" GridLines="None" Width="780">
            <HeaderContextMenu EnableAutoScroll="True">
            </HeaderContextMenu>
            <MasterTableView AutoGenerateColumns="False" DataKeyNames="CustomerID" DataSourceID="SqlDataSource1">
                <RowIndicatorColumn>
                    <HeaderStyle Width="20px" />
                </RowIndicatorColumn>
                <ExpandCollapseColumn>
                    <HeaderStyle Width="20px" />
                </ExpandCollapseColumn>
                <Columns>
                    <telerik:GridBoundColumn DataField="CustomerID" HeaderText="CustomerID" ReadOnly="True"
                        SortExpression="CustomerID" UniqueName="CustomerID">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="CompanyName" HeaderText="CompanyName" SortExpression="CompanyName"
                        UniqueName="CompanyName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="ContactName" HeaderText="ContactName" SortExpression="ContactName"
                        UniqueName="ContactName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="ContactTitle" HeaderText="ContactTitle" SortExpression="ContactTitle"
                        UniqueName="ContactTitle">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="Address" HeaderText="Address" SortExpression="Address"
                        UniqueName="Address">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="City" HeaderText="City" SortExpression="City"
                        UniqueName="City">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="Region" HeaderText="Region" SortExpression="Region"
                        UniqueName="Region">
                    </telerik:GridBoundColumn>
                </Columns>
            </MasterTableView>
        </telerik:RadGrid>
        <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" SelectCommand="SELECT * FROM [Customers] WHERE 1=0"></asp:SqlDataSource>
    </div>
    <div id="Div_FullData" style="display:none">
        <telerik:RadGrid ID="RadGrid2" runat="server" DataSourceID="SqlDataSource2" GridLines="None"   Width="780" Height="300px">
            <HeaderContextMenu EnableAutoScroll="True">
            </HeaderContextMenu>
            <MasterTableView AutoGenerateColumns="False" DataKeyNames="CustomerID" DataSourceID="SqlDataSource2">
                <Columns>
                    <telerik:GridBoundColumn DataField="CustomerID" HeaderText="CustomerID" ReadOnly="True"
                        SortExpression="CustomerID" UniqueName="CustomerID">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="CompanyName" HeaderText="CompanyName" SortExpression="CompanyName"
                        UniqueName="CompanyName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="ContactName" HeaderText="ContactName" SortExpression="ContactName"
                        UniqueName="ContactName">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="ContactTitle" HeaderText="ContactTitle" SortExpression="ContactTitle"
                        UniqueName="ContactTitle">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="Address" HeaderText="Address" SortExpression="Address"
                        UniqueName="Address">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="City" HeaderText="City" SortExpression="City"
                        UniqueName="City">
                    </telerik:GridBoundColumn>
                    <telerik:GridBoundColumn DataField="Region" HeaderText="Region" SortExpression="Region"
                        UniqueName="Region">
                    </telerik:GridBoundColumn>
                </Columns>
            </MasterTableView>
            <ClientSettings>
                <Scrolling AllowScroll="True" />
            </ClientSettings>
        </telerik:RadGrid>
        <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:NorthwindConnectionString %>" SelectCommand="SELECT TOP 20  * FROM [Customers]"></asp:SqlDataSource>
          
    </div>
    </form>
</body>
</html>


Regards,
Dimo
the Telerik team
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Asked by
vincent chen
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Answers by
Dimo
Telerik team
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