[转]raising an event from checkbox in a gridview (gridview中模板表的checkbox的后台事件处理)

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[转]raising an event from checkbox in a gridview (gridview中模板表的checkbox的后台事件处理)java 工作

本文转自:http://www.dotnetspider.com/resources/30842-raising-an-event-from-checkbox-in-a-gridview.aspx 原文如下:description: raising an event from a gridview check box or dropdown list. in case of button or link button then event raises and rowcommand. incase of raising event from a control like checkbox or radiobuttonor dropdownlist or etc event bubbling.design view: <asp:gridview id="grdquestions" autogeneratecolumns="false" runat="server" width="698px" > <headerstyle horizontalalign="left" cssclass="gridheader" / > <rowstyle cssclass="gridrowstyle" horizontalalign="left" / > <alternatingrowstyle cssclass="gridalternaterowstyle" / > < columns > <asp:templatefield headertext="edit" > <itemstyle horizontalalign="center" width="50px" ></itemstyle > <itemtemplate> <asp:checkbox id="chkstatus" autopostback="true" runat="server" oncheckedchanged="chkstatus_changed" ></asp:checkbox> </itemtemplate> </asp:templatefield> <asp:templatefield headertext="batchpriority"> <headerstyle wrap="false">< /headerstyle> <itemstyle wrap="false">< /itemstyle> <itemtemplate> <asp:dropdownlist id="ddlbatchpriorty" runat="server" width="92px" cssclass="text" ></asp:dropdownlist> </itemtemplate> </asp:templatefield> <columns> </asp:gridview>code behind:public void chkstatus_changed(object sender, system.eventargs e) { //......when gridview checkbox calls event, then it raises an event. checkbox chkbox = (checkbox)(sender); //......sender is converted to checkbox and getting its gridview row by using chkbox.parent.parent. gridviewrow dg = (gridviewrow)(chkbox.parent.parent); //......gridview row to find the control or text of particular cell. dropdownlist ddl = (dropdownlist)(dg.cells[4].findcontrol("ddlbatchpriorty")); }

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2011-11-29 15:15
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