TextBox特定のコントロール ( 、DropDownListなど)がある検索フォームがありCheckBoxます。結果セットを取得するためのコードが記述されている検索ボタンがあります。Enter ボタンを押したときに検索ボタンのクリック イベントが発生するようにします。これは書かれています
<form id="form1" runat="server" defaultbutton="btnSearch">
<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePageMethods="true">
</asp:ScriptManager>
<telerik:RadCodeBlock ID="RadCodeBlock1" runat="server">
</telerik:RadCodeBlock>
<telerik:RadDatePicker ID="RadDatePicker1" Style="display: none;" MinDate="01/01/1900"
MaxDate="12/31/2100" runat="server">
<ClientEvents OnDateSelected="dateSelected" />
</telerik:RadDatePicker>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td align="center" valign="top">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td height="25" align="center" valign="middle">
<table width="96%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="400" align="left" valign="top">
<span style="color: #FFFFFF; font-weight: bold;">
<asp:Label ID="lblName" runat="server"></asp:Label></span>
</td>
<td align="right" style="color: #FFFFFF; font-weight: bold;">
<asp:LinkButton ID="lbtnLogout" runat="server" Text="Logout" ForeColor="#FFFFFF"
Font-Bold="true" OnClick="lbtnLogout_Click">Logout</asp:LinkButton>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td height="10" align="center" valign="middle">
</td>
</tr>
<tr>
<td align="center" valign="top" bgcolor="#FFFFFF">
<table width="100%" border="0" cellpadding="0" cellspacing="0" style="background: url(../img/bg02.png) #FFFFFF no-repeat top right;">
<tr>
<td align="left" valign="middle">
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="250" align="left">
<img src="../img/goDigital_Logo01.png" width="198" height="91">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td height="3" align="center" valign="middle" style="background: url(../img/bg01.png) no-repeat;">
<asp:Label ID="lblError" runat="server" ForeColor="Red"></asp:Label>
<asp:UpdateProgress ID="UpdateProgress2" runat="server">
<ProgressTemplate>
<table cellpadding="0" cellspacing="0" width="140">
<tr>
<td width="26">
<asp:Image ID="Image3" runat="server" ImageAlign="AbsMiddle" Width="16px" Height=" 16px"
CssClass="PreLoader" ImageUrl="~/Images/preloader-square.gif" />
</td>
<td class="HD1b">
Please wait...
</td>
</tr>
</table>
</ProgressTemplate>
</asp:UpdateProgress>
</td>
</tr>
<tr>
<td align="left" valign="top">
<table width="100%" border="0" cellspacing="2" cellpadding="1" style="background: url(../img/bg-shadow.png) repeat-x center bottom;">
<tr>
<td width="20" class="color2">
</td>
<td width="100" class="color2">
<strong>Vendor Code</strong>
</td>
<td width="5">
<strong>:</strong>
</td>
<td colspan="2">
<table cellpadding="0" cellspacing="0" width="80%">
<tr>
<td>
<strong>
<telerik:RadComboBox ID="radtxtVendorCode" runat="server" EmptyMessage="Select Vendor Code"
EnableLoadOnDemand="true" EnableVirtualScrolling="true" Filter="Contains" HighlightTemplatedItems="true"
Height="180px" Style="margin-left: 0px" Width="100%">
<WebServiceSettings Method="GetVendorCode" Path="AccountSearch.aspx" />
</telerik:RadComboBox>
</strong>
</td>
</tr>
</table>
</td>
<td width="130" class="color2">
<strong>Invoice Date</strong>
</td>
<td width="5">
<strong>:</strong>
</td>
<td>
<strong>
<telerik:RadDatePicker ID="RadDPInvoiceDateFrom" runat="server">
<Calendar ID="Calendar3" runat="server" EnableKeyboardNavigation="true">
</Calendar>
</telerik:RadDatePicker>
</strong>
</td>
<td>
<strong>To</strong>
</td>
<td>
<strong>
<telerik:RadDatePicker ID="RadDPInvoiceDateTo" runat="server">
<Calendar ID="Calendar4" runat="server" EnableKeyboardNavigation="true">
</Calendar>
</telerik:RadDatePicker>
</strong>
</td>
</tr>
<tr>
<td class="color2">
<strong>Vendor Name</strong>
</td>
<td>
<strong>:</strong>
</td>
<td colspan="2">
<table cellpadding="0" cellspacing="0" width="80%">
<tr>
<td>
<strong>
<telerik:RadComboBox ID="radtxtVendorName" runat="server" EmptyMessage="Select Vendor Name"
EnableLoadOnDemand="true" EnableVirtualScrolling="true" Filter="Contains" Height="180px"
HighlightTemplatedItems="true" Style="margin-left: 0px" Width="100%">
<WebServiceSettings Method="GetVendorName" Path="AccountSearch.aspx" />
</telerik:RadComboBox>
</strong>
</td>
</tr>
</table>
</td>
<td class="color4">
<strong>Invoice Amount</strong>
</td>
<td>
<strong>:</strong>
</td>
<td>
<strong>
<telerik:RadNumericTextBox ID="RadtxtInvoicFromAmt" runat="server" Culture="en-IN"
EmptyMessage="From Amount" Width="120px">
<EmptyMessageStyle Font-Italic="True" />
</telerik:RadNumericTextBox>
</strong>
</td>
<td>
<strong>To</strong>
</td>
<td>
<strong>
<telerik:RadNumericTextBox ID="RadtxtInvoicToAmt" runat="server" Culture="en-IN"
EmptyMessage="To Amount" Width="120px">
<EmptyMessageStyle Font-Italic="True" />
</telerik:RadNumericTextBox>
</strong>
</td>
</tr>
<tr>
<td class="color1">
<strong>Print Ref. No</strong>
</td>
<td>
<strong>:</strong>
</td>
<td width="160">
<strong>
<telerik:RadTextBox ID="RadtxtPrintRefNo" runat="server" EmptyMessage="Enter Print Ref No"
Width="160px">
<EmptyMessageStyle Font-Italic="True" />
</telerik:RadTextBox>
</strong>
</td>
<td rowspan="3" align="left" valign="top">
<strong>
<img src="../img/digital1.jpg" width="160" height="119"></strong>
</td>
<td class="color4">
<strong>Transaction Date</strong>
</td>
<td>
<strong>:</strong>
</td>
<td>
<strong>
<telerik:RadDatePicker ID="RadDTTxnFromDate" runat="server">
<Calendar ID="Calendar1" runat="server" EnableKeyboardNavigation="true">
</Calendar>
</telerik:RadDatePicker>
</strong>
</td>
<td>
<strong>To</strong>
</td>
<td>
<strong>
<telerik:RadDatePicker ID="RadDTTxnToDate" runat="server">
<Calendar ID="Calendar2" runat="server" EnableKeyboardNavigation="true">
</Calendar>
</telerik:RadDatePicker>
</strong>
</td>
</tr>
<tr>
<td class="color4">
<strong>Invoice No</strong>
</td>
<td>
<strong>:</strong>
</td>
<td>
<strong>
<telerik:RadTextBox ID="RadtxtInvoicNo" runat="server" EmptyMessage="Enter Invoic No"
Width="160px">
<EmptyMessageStyle Font-Italic="True" />
</telerik:RadTextBox>
</strong>
</td>
<td>
</td>
<td class="color4">
<strong>NEFT / Chq No</strong>
</td>
<td>
<strong>:</strong>
</td>
<td>
<strong>
<telerik:RadTextBox ID="RadtxtneftNoFrom" runat="server" EmptyMessage="Enter From Neft No"
Width="120px">
<EmptyMessageStyle Font-Italic="True" />
</telerik:RadTextBox>
</strong>
</td>
</tr>
<tr>
<td valign="top" class="color4">
<strong>Currency</strong>
</td>
<td valign="top">
<strong>:</strong>
</td>
<td valign="top">
<strong>
<telerik:RadComboBox ID="radtxtCurrencyCode" runat="server" Height="121px" HighlightTemplatedItems="true"
Filter="Contains" EmptyMessage="Select Currency" EnableLoadOnDemand="true" EnableVirtualScrolling="true"
Width="163px">
<WebServiceSettings Method="GetCurrencyCode" Path="AccountSearch.aspx" />
</telerik:RadComboBox>
</strong>
</td>
<td valign="top" class="color4">
<strong>Remarks / Naration</strong>
</td>
<td valign="top">
<strong>:</strong>
</td>
<td colspan="4" valign="top">
<strong>
<asp:TextBox ID="txtRemarks" runat="server" Width="330px" TextMode="MultiLine"></asp:TextBox>
</strong>
</td>
</tr>
<tr>
<td align="left" valign="top">
<asp:ImageButton ID="btnSearch" runat="server" ImageUrl="~/img/btnsearch.png" Width="125"
Height="45" OnClick="btnSearch_Click" OnClientClick="return checkdate();" />
</td>
<td colspan="4" valign="top">
<asp:ImageButton ID="btnClear" runat="server" ImageUrl="~/img/btnclear.png" Width="125" Height="45" OnClick="btnClear_Click" />
</tr>
</table>
</td>
</tr>
<tr>
<td height="120" align="left" valign="top" bgcolor="#C2E8F3">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<telerik:RadGrid ID="rdSearchResult" runat="server" GridLines="None" AllowPaging="True"
SkinID="MySkin" AutoGenerateColumns="false" AllowMultiRowSelection="True" AllowSorting="false"
OnNeedDataSource="rdSearchResult_NeedDataSource" Skin="Windows7">
<PagerStyle AlwaysVisible="True" />
<MasterTableView>
<CommandItemSettings ExportToPdfText="Export to Pdf"></CommandItemSettings>
<Columns>
<telerik:GridTemplateColumn HeaderText="Supp Code">
<ItemTemplate>
<%# Eval("suppcode")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Party">
<ItemTemplate>
<%# Eval("party_name")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Ref No">
<ItemTemplate>
<%# Eval("print_refno")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Currency">
<ItemTemplate>
<%# Eval("currcode")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Invoice No">
<ItemTemplate>
<%# Eval("invno")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Invoice Amt">
<ItemTemplate>
<%# Eval("invAmt")%></ItemTemplate>
</telerik:GridTemplateColumn>
<telerik:GridTemplateColumn HeaderText="Invoice Date">
<ItemTemplate>
<asp:Label ID="lblDate" runat="server" Text='<%#Convert.ToDateTime(Eval("invdt")).ToString("dd/MM/yyyy") %>'></asp:Label>
</ItemTemplate>
</telerik:GridTemplateColumn>
</Columns>
<PagerStyle AlwaysVisible="True"></PagerStyle>
</MasterTableView>
<ClientSettings ClientEvents-OnRowDblClick="rdSearchResultDblClick" EnableRowHoverStyle="true">
<ClientEvents OnRowDblClick="rdSearchResultDblClick"></ClientEvents>
<Selecting AllowRowSelect="true" />
</ClientSettings>
<SelectedItemStyle BackColor="#C2E8F3" />
</telerik:RadGrid>
</ContentTemplate>
</asp:UpdatePanel>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td>
</td>
</tr>
<tr>
<td bgcolor="#C44533">
</td>
</tr>
</table>
</td>
</tr>
</table>
</form>
しかし、これはどこかをクリックして（検索コントロールからフォーカスを外して）Enterキーを押した場合にのみ機能します
提案してください