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通过modify.aspx页面就可以修改现有数据，并可以通过表单提交事件来更新数据。
其更新的主要代码如下:
< MM:Update
runat="server"
CommandText='< %# "UPDATE LOCATIONS SET CITY=?, STATE_COUNTRY=?, FAX=?, TELEPHONE=?, ADDRESS=? WHERE CODE=?" % >'
ConnectionString='< %# System.Configuration.ConfigurationSettings.AppSettings("MM_CONNECTION_STRING_location") % >'
DatabaseType='< %# System.Configuration.ConfigurationSettings.AppSettings("MM_CONNECTION_DATABASETYPE_location") % >'
Expression='< %# Request.Form("MM_update") = "form1" % >'
CreateDataSet="false"
SuccessURL='< %# "location3.aspx" % >'
Debug="true"
>
< Parameters >
< Parameter Name="@CITY" Value='< %# IIf((Request.Form("city") < > Nothing), Request.Form("city"), "") % >' Type="WChar" / >
< Parameter Name="@STATE_COUNTRY" Value='< %# IIf((Request.Form("state") < > Nothing), Request.Form("state"), "") % >' Type="WChar" / >
< Parameter Name="@FAX" Value='< %# IIf((Request.Form("fax") < > Nothing), Request.Form("fax"), "") % >' Type="WChar" / >
< Parameter Name="@TELEPHONE" Value='< %# IIf((Request.Form("tele") < > Nothing), Request.Form("tele"), "") % >' Type="WChar" / >
< Parameter Name="@ADDRESS" Value='< %# IIf((Request.Form("address") < > Nothing), Request.Form("address"), "") % >' Type="WChar" / >
< Parameter Name="@CODE" Value='< %# IIf((Request.Form("hiddenField") < > Nothing), Request.Form("hiddenField"), "") % >' Type="WChar" / >
< /Parameters >
< /MM:Update >
Dreamweaver MX是通过mm:update来表识更新的代码的。其格式和MM:Insert类似。
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