爱站程序员基地<%@ Page Language=\"C#\" AutoEventWireup=\"true\" CodeFile=\"Default.aspx.cs\" Inherits=\"_Default\" %><%@ Register assembly=\"DevExpress.Web.v14.1, Version=14.1.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a\" namespace=\"DevExpress.Web.ASPxGridView\" tagprefix=\"dx\" %><%@ Register assembly=\"DevExpress.Web.v14.1, Version=14.1.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a\" namespace=\"DevExpress.Web.ASPxEditors\" tagprefix=\"dx\" %><%@ Register assembly=\"DevExpress.Web.v14.1, Version=14.1.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a\" namespace=\"DevExpress.Web.ASPxHiddenField\" tagprefix=\"dx\" %><!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 runat=\"server\"><title></title><script type=\"text/javascript\">function ProcessSelection(grid, visibleIndex, checkbox, keyValue, hiddenField) {if (checkbox.GetChecked()) {grid.SelectRowOnPage(visibleIndex);if (!hiddenField.Contains(\"key\"+keyValue.toString())) {hiddenField.Add(\"key\"+keyValue.toString(), true);}}else{grid.UnselectRowOnPage(visibleIndex);if (hiddenField.Contains(\"key\"+keyValue)) {hiddenField.Remove(\"key\"+keyValue.toString());}}}</script></head><body><form id=\"form1\" runat=\"server\"><div></div><dx:aspxgridview ID=\"ASPxGridView1\" runat=\"server\" AutoGenerateColumns=\"False\"DataSourceID=\"AccessDataSource1\" KeyFieldName=\"CategoryID\" ClientInstanceName=\"masterGrid\"><templates><detailrow><dx:aspxgridview ID=\"ASPxGridView1\" runat=\"server\" AutoGenerateColumns=\"False\"DataSourceID=\"AccessDataSource2\" KeyFieldName=\"ProductID\"onbeforeperformdataselect=\"ASPxGridView1_BeforePerformDataSelect\"oninit=\"ASPxGridView1_Init\" ondatabound=\"ASPxGridView1_DataBound\"><columns><dx:gridviewdatatextcolumn FieldName=\"ProductID\" VisibleIndex=\"1\"></dx:gridviewdatatextcolumn><dx:gridviewdatatextcolumn FieldName=\"ProductName\" VisibleIndex=\"2\"></dx:gridviewdatatextcolumn><dx:gridviewdatatextcolumn FieldName=\"UnitPrice\" VisibleIndex=\"3\"></dx:gridviewdatatextcolumn><dx:gridviewdatatextcolumn Caption=\"#\" Name=\"Selection\" VisibleIndex=\"0\"><dataitemtemplate><dx:aspxcheckbox ID=\"detailSelectCheckbox\" runat=\"server\"oninit=\"detailSelectCheckbox_Init\"></dx:aspxcheckbox></dataitemtemplate></dx:gridviewdatatextcolumn></columns></dx:aspxgridview></detailrow></templates><settingspager PageSize=\"4\"></settingspager><columns><dx:gridviewdatatextcolumn FieldName=\"CategoryID\" ReadOnly=\"True\"VisibleIndex=\"1\"><editformsettings Visible=\"False\" /></dx:gridviewdatatextcolumn><dx:gridviewdatatextcolumn FieldName=\"CategoryName\" VisibleIndex=\"2\"></dx:gridviewdatatextcolumn><dx:gridviewdatatextcolumn FieldName=\"Description\" VisibleIndex=\"3\"></dx:gridviewdatatextcolumn></columns><settingsdetail ShowDetailRow=\"True\" /></dx:aspxgridview><asp:accessdatasource ID=\"AccessDataSource1\" runat=\"server\"DataFile=\"~/App_Data/nwind.mdb\" SelectCommand=\"SELECT * FROM [Categories]\"></asp:accessdatasource><asp:accessdatasource ID=\"AccessDataSource2\" runat=\"server\"DataFile=\"~/App_Data/nwind.mdb\"SelectCommand=\"SELECT [ProductID], [ProductName], [CategoryID], [UnitPrice] FROM [Products] WHERE ([CategoryID] = ?)\"><selectparameters><asp:sessionparameter Name=\"CategoryID\" SessionField=\"CategoryID\"Type=\"Int32\" /></selectparameters></asp:accessdatasource><dx:aspxhiddenfield ID=\"masterSelection\" ClientInstanceName=\"masterSelection\" runat=\"server\"></dx:aspxhiddenfield><dx:aspxhiddenfield ID=\"detailSelection\" ClientInstanceName=\"detailSelection\" runat=\"server\"></dx:aspxhiddenfield></form></body></html>using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using DevExpress.Web.ASPxGridView;using DevExpress.Web.ASPxEditors;public partial class _Default : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { } #region \"Set master grid\" #endregion #region \"Set detail grid\" protected void ASPxGridView1_BeforePerformDataSelect(object sender, EventArgs e) { Session[\"CategoryID\"] = ((ASPxGridView)sender).GetMasterRowKeyValue(); } protected void ASPxGridView1_DataBound(object sender, EventArgs e) { ((ASPxGridView)sender).ClientInstanceName = \"detailGrid\" + ((ASPxGridView)sender).GetMasterRowKeyValue().ToString(); for (int i = 0; i < ((ASPxGridView)sender).VisibleRowCount; i++) { string key = ((ASPxGridView)sender).GetRowValues(i, \"ProductID\").ToString(); if (detailSelection.Contains(\"key\" + key)) { ((ASPxGridView)sender).Selection.SelectRow(i); } } } protected void ASPxGridView1_Init(object sender, EventArgs e) { ((ASPxGridView)sender).ClientInstanceName = \"detailGrid\" + ((ASPxGridView)sender).GetMasterRowKeyValue().ToString(); } #endregion #region \"Set select checkbox\" protected void detailSelectCheckbox_Init(object sender, EventArgs e) { GridViewDataItemTemplateContainer c = ((ASPxCheckBox)sender).NamingContainer as GridViewDataItemTemplateContainer; int index = c.VisibleIndex; string key = c.KeyValue.ToString(); string ownerGridClientInstanceName = c.Grid.ClientInstanceName; ((ASPxCheckBox)sender).ClientSideEvents.CheckedChanged = \"function(s,e){ProcessSelection(\" + ownerGridClientInstanceName + \",\" + index + \",s,\" + key + \",detailSelection);}\"; if (c.Grid.Selection.IsRowSelected(index)) { ((ASPxCheckBox)sender).Checked = true; } } #endregion }
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