??????????????????????????Combobox?е???????????????????????????????????￡?
<ext:ComboBox ID="ComBox_SecretsLevel" runat="server" FieldLabel="???" Width="250" EmptyText="????????..." >
<Items>
<ext:ListItem Text="????" Value="1"/>
<ext:ListItem Text="????" Value="2" />
<ext:ListItem Text="????" Value="3" />
</Items>
</ext:ComboBox>
?????????????????л????????β??????
?????????????????????????????????????ЩCombobox??????????????д????????????????????????????????????????飬??????????????????????????????????????????????????????????????????????????????????????????????
?????????????е?????????????

?????????????????????sql????????????????????
??????????У???????aspx???????
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="LR_FileReg.aspx.cs" Inherits="EasyCreate.DFMS.WebUI.LR_FileReg" %>
<%@ Register assembly="Ext.Net" namespace="Ext.Net" tagprefix="ext" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>??Combobox???????</title>
</head>
<body>
<form id="form1" runat="server">
<ext:ResourceManager ID="ResourceManager1" runat="server"/>
<ext:Store ID="Store_SecretsCom" runat="server">
<Reader>
<ext:JsonReader>
<Fields>
<ext:RecordField Name="SecretsLevelID" Type="Int"/>
<ext:RecordField Name="SecretsLevelName" Type="String" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
<ext:ComboBox ID="ComBox_SecretsLevel" runat="server" FieldLabel="???" Width="250" EmptyText="????????..."
StoreID="Store_SecretsCom" ValueField="SecretsLevelID" DisplayField="SecretsLevelName">
</ext:ComboBox>
</form>
</body>
</html>