上图:

前台代码:
<SelectionModel> <ext:RowSelectionModel ID="RowSelectionModel1" runat="server" /> </SelectionModel> <DirectEvents> <Click OnEvent="SubmitSelection"> <ExtraParams> <ext:Parameter Name="Values" Value="Ext.encode(#{GridPanelCourse}.getRowsValues({selectedOnly:true}))" Mode="Raw" /> </ExtraParams> <EventMask ShowMask="true" Msg="数据正在生成,请稍候..." MinDelay="500"/> </Click> </DirectEvents>后台代码:
protected void SubmitSelection(object sender, DirectEventArgs e) { string json = e.ExtraParams["Values"]; List<Xuanke> XuankeList = JSON.Deserialize<List<Xuanke>>(json); foreach (Xuanke xk in XuankeList) { id = xk.Id; this.txtCourse.Text = xk.Course; this.txtTeacher.Text = xk.Teacher; this.txtScheduledDate.Text = xk.ScheduledDate.ToString() ; if (xk.IsCompulsory == 'N') { this.cbxCompulsory.SelectedIndex = 0; } else { this.cbxCompulsory.SelectedIndex = 1; } } }
本文介绍了一个基于前后端交互的选课系统实现方案。通过使用网格面板(GridPanel)进行课程展示,并结合RowSelectionModel实现课程的选择功能。当用户点击提交按钮时,系统将所选课程的数据序列化为JSON格式并传递到服务器端。服务器端则负责解析这些数据,并填充到相应的表单中。
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