how do i create a Dynamic DataTable for RadGrid.
I just follow the same procedure for GridView
DataTable myDataTable = new DataTable();
DataColumn myDataColumn;
myDataColumn =
new DataColumn();
myDataColumn.DataType =
Type.GetType("System.String");
myDataColumn.ColumnName =
"ID";
myDataTable.Columns.Add(myDataColumn);
myDataColumn =
new DataColumn();
myDataColumn.DataType =
Type.GetType("System.String");
myDataColumn.ColumnName =
"TestName";
myDataTable.Columns.Add(myDataColumn);
myDataColumn =
new DataColumn();
myDataColumn.DataType =
Type.GetType("System.String");
myDataColumn.ColumnName =
"ReportResults";
myDataTable.Columns.Add(myDataColumn);
myDataColumn =
new DataColumn();
myDataColumn.DataType =
Type.GetType("System.String");
myDataColumn.ColumnName =
"CommunicationType";
myDataTable.Columns.Add(myDataColumn);
//add test row
DataRow drow = myDataTable.NewRow();
drow[
"ID"] = Guid.NewGuid().ToString();
drow[
"TestName"] = "TestName1";
drow[
"ReportResults"] = "ReportName1";
drow[
"CommunicationType"] = "CommunicationType1";
//Add the row to the datatable.
myDataTable.Rows.Add(drow);
this datatable is working fine for GridView.
But when i binding for RADGRID, it showing some error like
"
"
Any help will be highly appriceated.
Regards,
Suresh Kumar Udatha.
Hi
I need to get the grid item value thru javascript. The below code is working fine in IE.
var maxRowIndex = this.ncRadGrid.Grid.get_masterTableView().get_dataItems().length - 1;
var rowIndex;
for (rowIndex = 0; rowIndex <= maxRowIndex; rowIndex++) {
var nodeID = this.ncRadGrid.GetValue(rowIndex, 'NodeID')
}
GridEditableItem grdSelected = (GridEditableItem)e.Item;
Results in the error:
{"The current EditFormType does not support the requested editing capabilities."}
and I am unable to retrieve the form's data values from their controls.
This same code works fine with a SQL dataset. Here is my OleDb code that populates the grid:
| OleDbConnection accConn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=//webservice/C$/temp/fcData.mdb"); |
| OleDbCommand accCommand = new OleDbCommand("select mmw_drug_disp.descdisplay,strength,strengthunit,ddid,dosechekunit, strength+' '+strengthunit as dispdose, mmw_drug_name.descdisplay as drugname, " |
| + "'' as freq, '' as route, '' as comments, null as startdate, null as stopdate, null as dcdate, '' as therapy " |
| + "from mmw_drug_disp " |
| + "inner join mmw_drug_name on mmw_drug_disp.pnid = mmw_drug_name.pnid " |
| + "where mmw_drug_disp.haspackdrugind=1 and mmw_drug_disp.descsearch like '" + searchtext + "%' order by mmw_drug_disp.descdisplay", accConn); |
| OleDbDataAdapter myDataAdapter = new OleDbDataAdapter(accCommand); |
| accConn.Open(); |
| DataSet myDataSet = new DataSet(); |
| myDataAdapter.Fill(myDataSet, "Names"); |
| RadGrid1.DataSource = myDataSet; |
| RadGrid1.DataMember = "Names"; |
| this.DataBind(); |
We are dealing with major performance issues on our website and I started to diagnise the issue.
For testing, I took simple web page with telerik grid that has one column and one row. After saving this page physically on my hard disk I noticed that there are 32 .axd files saved which are about 1.02mb in size. 17 of them are ScriptResource.axd and 15 of them are WebResource.axd.
We are trying to fine tune our application for 256kbps download speed, which means it will take about 4-5 seconds to launch telerik web page grid with one column and one row (4-5 sec download time to downloan 1mb over 256kbps speed). That’s what we are seeing in all pages, launch times are between 5-9 seconds. Can I do some tweak to telerik code to bring down launch time to 1 second by reducing total .axd file size to 256kb? OR is it that telerik controls are not suitable for 256kbps internet speed??
Question
1) Can I move any of these .axd files to client PC on first instance?
2) Can I reduce .axd file size?
3) Can I reduce number of .axd files downloaded to client PC?
PLEASE HELP.

| <telerik:RadAjaxManager ID="radAM" runat="server"> |
| <AjaxSettings> |
| <telerik:AjaxSetting AjaxControlID="radRadiusSearch"> |
| <UpdatedControls> |
| <telerik:AjaxUpdatedControl ControlID="radRadiusSearch" LoadingPanelID="radALP" /> |
| <telerik:AjaxUpdatedControl ControlID="radTTM" /> |
| </UpdatedControls> |
| </telerik:AjaxSetting> |
| </AjaxSettings> |
| </telerik:RadAjaxManager> |
| <telerik:RadAjaxLoadingPanel ID="radALP" runat="server"></telerik:RadAjaxLoadingPanel> |
| <telerik:RadToolTipManager ID="radTTM" runat="server" OffsetY="-1" HideEvent="LeaveToolTip" |
| Width="300" Height="75" OnAjaxUpdate="OnAjaxUpdate" RelativeTo="Element" Position="BottomRight" Skin="Windows7"> |
| </telerik:RadToolTipManager> |
| <telerik:RadGrid ID="radRadiusSearch" runat="server" |
| AllowSorting="True" AllowPaging="True" |
| width="950px" AutoGenerateColumns="False" |
| Skin="Windows7" |
| EnableViewState="False" Visible="False"> |
| <MasterTableView Width="950px" AllowMultiColumnSorting="true" DataKeyNames="AgentNumber" CommandItemDisplay="None" CurrentResetPageIndexAction="SetPageIndexToFirst" Dir="LTR" Frame ="Border" TableLayout="Auto"> |
| <Columns> |
| <telerik:GridBoundColumn CurrentFilterFunction="NoFilter" DataField="AgentNumber" Display="false" |
| DataType="System.String" FilterListOptions="VaryByDataType" ForceExtractValue="None" |
| HeaderText="Agent #" ReadOnly="True" SortExpression="AgentNumber" UniqueName="AgentNumber"> |
| </telerik:GridBoundColumn> |
| <telerik:GridTemplateColumn HeaderText="Agent #" SortExpression="AgentNumber"> |
| <ItemTemplate> |
| <asp:HyperLink ID="targetControl" runat="server" NavigateUrl="#" Text='<%# Eval("AgentNumber") %>'></asp:HyperLink> |
| </ItemTemplate> |
| </telerik:GridTemplateColumn> |
| <telerik:GridBoundColumn DataField="AgentName" DataType="System.String" HeaderText="Agent Name" SortExpression="AgentName" UniqueName="AgentName" /> |
| <telerik:GridBoundColumn DataField="WhseCity" DataType="System.String" HeaderText="City" SortExpression="WhseCity" UniqueName="WhseCity" /> |
| <telerik:GridBoundColumn DataField="WhseState" DataType="System.String" HeaderText="St" SortExpression="WhseState" UniqueName="WhseState" /> |
| <telerik:GridBoundColumn DataField="PrimeSCAC" DataType="System.String" HeaderText="SCAC" SortExpression="PrimeSCAC" UniqueName="PrimeSCAC" /> |
| <telerik:GridBoundColumn DataField="AgentClass" DataType="System.String" HeaderText="Class" SortExpression="AgentClass" UniqueName="AgentClass" /> |
| <telerik:GridBoundColumn DataField="Miles" DataType="System.String" HeaderText="Miles" SortExpression="Miles" UniqueName="Miles" /> |
| <telerik:GridBoundColumn DataField="DP3_OA_COUNT" DataType="System.String" HeaderText="OA" SortExpression="DP3_OA_COUNT" UniqueName="DP3_OA_COUNT" /> |
| <telerik:GridBoundColumn DataField="DP3_HLG_COUNT" DataType="System.String" HeaderText="HLG" SortExpression="DP3_HLG_COUNT" UniqueName="DP3_HLG_COUNT" /> |
| <telerik:GridBoundColumn DataField="DP3_DA_COUNT" DataType="System.String" HeaderText="DA" SortExpression="DP3_DA_COUNT" UniqueName="DP3_DA_COUNT" /> |
| <telerik:GridBoundColumn DataField="DP3_Q4_PERC" DataType="System.String" HeaderText="Q4%" SortExpression="DP3_Q4_PERC" UniqueName="DP3_Q4_PERC" /> |
| <telerik:GridBoundColumn DataField="DP3_Q5_PERC" DataType="System.String" HeaderText="Q5%" SortExpression="DP3_Q5_PERC" UniqueName="DP3_Q5_PERC" /> |
| <telerik:GridBoundColumn DataField="DP3_Q6_PERC" DataType="System.String" HeaderText="Q6%" SortExpression="DP3_Q6_PERC" UniqueName="DP3_Q6_PERC" /> |
| <telerik:GridBoundColumn DataField="DP3_Q7_PERC" DataType="System.String" HeaderText="Q7%" SortExpression="DP3_Q7_PERC" UniqueName="DP3_Q7_PERC" /> |
| <telerik:GridBoundColumn DataField="DP3_Q8_PERC" DataType="System.String" HeaderText="Q8%" SortExpression="DP3_Q8_PERC" UniqueName="DP3_Q8_PERC" /> |
| <telerik:GridBoundColumn DataField="ClaimsTotalShipments" DataType="System.String" HeaderText="12 Mth Cnt" SortExpression="ClaimsTotalShipments" UniqueName="ClaimsTotalShipments" /> |
| <telerik:GridBoundColumn DataField="QltyRatingDisplay" DataType="System.String" HeaderText="Qlty Rating" SortExpression="QltyRatingDisplay" UniqueName="QltyRatingDisplay" /> |
| </Columns> |
| <EditFormSettings> |
| <EditColumn CurrentFilterFunction="NoFilter" FilterListOptions="VaryByDataType"> |
| </EditColumn> |
| </EditFormSettings> |
| </MasterTableView> |
| <ClientSettings> |
| <Scrolling AllowScroll="True" UseStaticHeaders="true" /> |
| </ClientSettings> |
| </telerik:RadGrid> |
| Protected Sub OnAjaxUpdate(ByVal sender As Object, ByVal args As ToolTipUpdateEventArgs) |
| Me.UpdateToolTip(args.Value, args.UpdatePanel) |
| End Sub |
| Private Sub UpdateToolTip(ByVal elementID As String, ByVal panel As UpdatePanel) |
| Dim ctrl As Control = Page.LoadControl("~/UserControls/Beta/AgentDetails.ascx") |
| panel.ContentTemplateContainer.Controls.Add(ctrl) |
| Dim details As UserControls_Beta_AgentDetails = DirectCast(ctrl, UserControls_Beta_AgentDetails) |
| details.AgentNumber = elementID |
| End Sub |
| Protected Sub radRadiusSearch_ItemDataBound(ByVal sender As Object, ByVal e As Telerik.Web.UI.GridItemEventArgs) Handles radRadiusSearch.ItemDataBound |
| If TypeOf e.Item Is GridDataItem Then |
| Dim item As GridDataItem = DirectCast(e.Item, GridDataItem) |
| Dim strAN As String = item("AgentNumber").Text |
| Dim strMiles As String = item("Miles").Text |
| Dim intMiles As Integer = 0 |
| Dim strOA As String = item("DP3_OA_COUNT").Text |
| Dim strHLG As String = item("DP3_HLG_COUNT").Text |
| Dim strDA As String = item("DP3_DA_COUNT").Text |
| Dim strQ4 As String = item("DP3_Q4_PERC").Text |
| Dim strQ5 As String = item("DP3_Q5_PERC").Text |
| Dim strQ6 As String = item("DP3_Q6_PERC").Text |
| Dim strQ7 As String = item("DP3_Q7_PERC").Text |
| Dim strQ8 As String = item("DP3_Q8_PERC").Text |
| Dim strQlty As String = item("QltyRatingDisplay").Text |
| Dim target As Control = e.Item.FindControl("targetControl") |
| Dim targetLink As HyperLink = e.Item.FindControl("targetControl") |
| targetLink.NavigateUrl = "~/Tools/RadiusSearch-DP3/ShowAgent.aspx?AgentNumber=" & strAN |
| If Not [Object].Equals(target, Nothing) Then |
| If Not [Object].Equals(Me.radTTM, Nothing) Then |
| Me.radTTM.TargetControls.Add(target.ClientID, (TryCast(e.Item, GridDataItem)).GetDataKeyValue("AgentNumber").ToString(), True) |
| End If |
| End If |
| If Len(strMiles) > 0 Then intMiles = CInt(strMiles) |
| item("Miles").Text = Math.Round(intMiles) |
| strQlty = Replace(strQlty, "-ACCEPTABLE", "") |
| strQlty = Replace(strQlty, "-UNKNOWN", "") |
| strQlty = Replace(strQlty, "-UNACCEPTABLE", "") |
| item("QltyRatingDisplay").Text = strQlty |
| End If |
| End Sub |
| Protected Sub radRadiusSearch_ItemCommand(ByVal source As Object, ByVal e As Telerik.Web.UI.GridCommandEventArgs) Handles radRadiusSearch.ItemCommand |
| If e.CommandName = "Sort" OrElse e.CommandName = "Page" Then |
| radTTM.TargetControls.Clear() |
| End If |
| End Sub |
| Protected Sub Page_PreRender(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreRender |
| 'Version 2 - 5/6/2010 |
| radRadiusSearch.PageSize = 25 |
| radRadiusSearch.ClientSettings.Scrolling.SaveScrollPosition = False |
| radRadiusSearch.ClientSettings.Scrolling.FrozenColumnsCount = 2 |
| If IsPostBack Then |
| Dim strZip As String = radZip.Text |
| Dim strCity As String = radCity.Text |
| Dim strState As String = radState.Text |
| Dim strMiles As String = radMiles.Text |
| Dim sqlConn As New SqlConnection |
| Dim sqlCmd As New SqlCommand |
| sqlConn.ConnectionString = ConfigurationManager.ConnectionStrings("zip_codesConnectionString").ConnectionString |
| sqlConn.Open() |
| If (Len(strZip) > 0 And Len(strMiles) > 0) Or (Len(strCity) > 0 And Len(strState) > 0 And Len(strMiles) > 0) Then |
| If Len(strZip) > 0 Then |
| sqlCmd = New SqlCommand("_Radius_AgentSearch_DP3_ByZip", sqlConn) |
| sqlCmd.CommandType = Data.CommandType.StoredProcedure |
| sqlCmd.Parameters.AddWithValue("@ZipCode", strZip) |
| sqlCmd.Parameters.AddWithValue("@Miles", strMiles) |
| Else |
| sqlCmd = New SqlCommand("_Radius_AgentSearch_DP3_ByCityState", sqlConn) |
| sqlCmd.CommandType = Data.CommandType.StoredProcedure |
| sqlCmd.Parameters.AddWithValue("@City", strCity) |
| sqlCmd.Parameters.AddWithValue("@State", strState) |
| sqlCmd.Parameters.AddWithValue("@Miles", strMiles) |
| End If |
| radRadiusSearch.DataSource = sqlCmd.ExecuteReader |
| radRadiusSearch.DataBind() |
| radRadiusSearch.Visible = True |
| Else |
| radRadiusSearch.Visible = False |
| End If |
| End If |
| End Sub |
| Protected Sub cmdSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles cmdSubmit.Click |
| radRadiusSearch.CurrentPageIndex = 0 |
| End Sub |

| <ExportSettings HideStructureColumns="true" ExportOnlyData="false" IgnorePaging="true" Excel-Format="ExcelML" OpenInNewWindow="true" > |
| </ExportSettings> |
| <form runat="server"> |
| <telerik:RadScriptManager ID="ScriptManager1" runat="server" |
| EnableTheming="True" OutputCompression="AutoDetect"> |
| </telerik:RadScriptManager> |
| <script type="text/javascript"> |
| function showToolTip(element) { |
| var tooltipManager = $find("<%= RadToolTipManager1.ClientID %>"); |
| if (!tooltipManager) return; |
| var tooltip = tooltipManager.getToolTipByElement(element); |
| if (!tooltip) { |
| tooltip = tooltipManager.createToolTip(element); |
| } |
| element.onmouseover = null; |
| tooltip.show(); |
| } |
| </script> |
| <telerik:RadToolTipManager ID="RadToolTipManager1" |
| Width="" |
| HideEvent="ManualClose" |
| RelativeTo="Element" |
| Position="BottomCenter" |
| runat="server" |
| Autotooltipify="false" |
| OffsetY="0" Sticky="True" Font-Bold="False" Title="Knowledge Database Helper"> |
| </telerik:RadToolTipManager> |
| <img title="<div><i>testing html</i></div><br/>" alt="test" src ="../template/images/knowledge.gif" ID="rad<%=id %>" onmouseover='showToolTip(this);' /> |
| </form> |