asyncwsclient.aspx
来自「《ASP.NET 2.0 XML 高级编程(第3版)》 《ASP.NET 2.」· ASPX 代码 · 共 34 行
ASPX
34 行
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Data" %>
<script runat="server">
void btnInvoke_Click(object sender, EventArgs e)
{
CategoriesProxy.CategoriesService obj = new CategoriesProxy.CategoriesService();
IAsyncResult result;
result = obj.BeginGetCategoriesAsDataSet(null, null);
//Do some dummy processing.
// ...
//Completed processing. Wait for completion.
result.AsyncWaitHandle.WaitOne();
DataSet categoriesDataSet = obj.EndGetCategoriesAsDataSet(result);
output.DataSource = categoriesDataSet.Tables[0];
output.DataBind();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Asynchronous Invocation of Web Services</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button runat="server" Text="Invoke Web Service"
OnClick="btnInvoke_Click" ID="btnInvoke" />
<br/><br/>
<asp:GridView runat="server" ID="output" />
</div>
</form>
</body>
</html>
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