2008-09-13 14:46 转载
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!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>GridView_Demo</title> </head> <body> <form id="form1" runat="server"> <div> <asp:GridView ID="myGrid" runat="server" > </asp:GridView> </div> </form> </body> </html> ==================================== using System; using System.Data; using System.Configuration; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; //myself using System.Drawing; public partial class _Default : System.Web.UI.Page { private Employees.Employees_BLL bll = new Employees.Employees_BLL(); protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { //设置GridView外观样式 setGridViewStyle(); //创建及设置Fields字段 setFields(); //设置 GridView 数据源绑定 GridBind(); } //以后台的方式添加 GridView 的各类事件 myGrid.RowEditing += new GridViewEditEventHandler(myGrid_RowEditing); myGrid.RowUpdating += new GridViewUpdateEventHandler(myGrid_RowUpdating); myGrid.RowCancelingEdit += new GridViewCancelEditEventHandler(myGrid_RowCancelingEdit); myGrid.RowDeleting += new GridViewDeleteEventHandler(myGrid_RowDeleting); } 方法#region 方法 //设置GridView外观样式 private void setGridViewStyle() { myGrid.AutoGenerateColumns = false; //设置Row的键值组成，具有唯一性 string[] KeyNames = new string[] { "EmployeeID" }; myGrid.DataKeyNames = KeyNames; //设置GridView属性 myGrid.AllowPaging = true; //设置分页 myGrid.AllowSorting = true; //设置排序 myGrid.Font.Size = 10; //设置字号大小 myGrid.GridLines = GridLines.Both; //设置网格线 myGrid.PageSize = 15; //分页大小 myGrid.PagerSettings.Position = PagerPosition.TopAndBottom; //分页位置 myGrid.PagerStyle.HorizontalAlign = HorizontalAlign.Center; //分页对齐 myGrid.HeaderStyle.BackColor = Color.Tan; myGrid.RowStyle.BackColor = Color.LightGoldenrodYellow; myGrid.AlternatingRowStyle.BackColor = Color.PaleGoldenrod; myGrid.HeaderStyle.ForeColor = Color.Black; myGrid.PagerStyle.BackColor = Color.Goldenrod; myGrid.SelectedRowStyle.BackColor = Color.LightBlue; //设置选择行背景颜色 //myGrid.ShowFooter = true; } //创建及设置Fields字段 private void setFields() { //创建"编辑"命令字段 CommandField editField = new CommandField(); editField.ButtonType = ButtonType.Button; editField.ShowEditButton = true; //显示"编辑"按钮 editField.ShowCancelButton = true; //显示"取消"按钮 editField.EditText = "编辑"; editField.UpdateText = "更新"; editField.CancelText = "取消"; editField.ControlStyle.BackColor = Color.LightPink; editField.ItemStyle.Wrap = false; //创建"删除"命令字段 CommandField deleteField = new CommandField(); deleteField.ButtonType = ButtonType.Button; deleteField.ShowDeleteButton = true; //显示"删除"按钮 deleteField.DeleteText = "删除"; deleteField.ControlStyle.BackColor = Color.LightPink; deleteField.ItemStyle.Wrap = false; //创建数据绑定字段 BoundField employeeidField = new BoundField(); BoundField lastnameField = new BoundField(); BoundField firstnameField = new BoundField(); BoundField titleField = new BoundField(); BoundField addressField = new BoundField(); BoundField cityField = new BoundField(); employeeidField.DataField = "EmployeeID";//指定数据源字段 employeeidField.HeaderText = "员工代号"; //设置字段头名称 employeeidField.ItemStyle.Wrap = false; //设置字段不换行 employeeidField.ReadOnly = true; //只读,编辑模式不能修改 lastnameField.DataField = "LastName"; lastnameField.HeaderText = "名字"; lastnameField.ItemStyle.Wrap = false; lastnameField.ReadOnly = true; //只读,编辑模式不能修改 firstnameField.DataField = "FirstName"; firstnameField.HeaderText = "姓氏"; firstnameField.ItemStyle.Wrap = false; //firstnameField.ReadOnly = true; titleField.DataField = "Title"; titleField.HeaderText = "职称"; titleField.ItemStyle.Wrap = false; addressField.DataField = "Address"; addressField.HeaderText = "地址"; addressField.ItemStyle.Wrap = false; cityField.DataField = "City"; cityField.HeaderText = "城市"; cityField.ItemStyle.Wrap = false; //将字段添加到GridView myGrid.Columns.Add(editField); //编辑 myGrid.Columns.Add(deleteField);//删除 myGrid.Columns.Add(employeeidField); myGrid.Columns.Add(lastnameField); myGrid.Columns.Add(firstnameField); myGrid.Columns.Add(titleField); myGrid.Columns.Add(addressField); myGrid.Columns.Add(cityField); } //设置 GridView 数据源绑定 public void GridBind() { //bll = new Employees.Employees_BLL(); myGrid.DataSource = bll.GetAllList(); myGrid.DataBind(); } #endregion 方法 // GridView 编辑操作 protected void myGrid_RowEditing(object sender, GridViewEditEventArgs e) { //设置编辑行的索引 myGrid.EditIndex = e.NewEditIndex; //设置更新与取消按钮之背景颜色 myGrid.Columns[0].ControlStyle.BackColor = Color.LightSteelBlue; myGrid.Columns[1].ControlStyle.BackColor = Color.LightSteelBlue; myGrid.ShowFooter = true; //设置GridView在编辑模式时，TextBox字段宽度及背景颜色 //EmployeeID字段 myGrid.Columns[2].ControlStyle.Width = 80; myGrid.Columns[2].ControlStyle.BackColor = Color.LightBlue; myGrid.Columns[2].FooterText = "不可编辑"; myGrid.Columns[2].FooterStyle.BackColor = Color.Red; //LastName字段 myGrid.Columns[3].ControlStyle.Width = 80; myGrid.Columns[3].ControlStyle.BackColor = Color.LightBlue; myGrid.Columns[3].FooterText = "不可编辑"; myGrid.Columns[3].FooterStyle.BackColor = Color.Red; //FirstName字段 myGrid.Columns[4].ControlStyle.Width = 80; myGrid.Columns[4].ControlStyle.BackColor = Color.LightBlue; myGrid.Columns[4].FooterText = "可编辑"; myGrid.Columns[4].FooterStyle.BackColor = Color.Red; //Title字段 myGrid.Columns[5].ControlStyle.Width = 100; myGrid.Columns[5].ControlStyle.BackColor = Color.LightPink; myGrid.Columns[5].FooterText = "可编辑"; myGrid.Columns[5].FooterStyle.BackColor = Color.Red; //Address字段 myGrid.Columns[6].ControlStyle.Width = 120; myGrid.Columns[6].ControlStyle.BackColor = Color.LightPink; myGrid.Columns[6].FooterText = "可编辑"; myGrid.Columns[6].FooterStyle.BackColor = Color.Red; //City字段 myGrid.Columns[7].ControlStyle.Width = 80; myGrid.Columns[7].ControlStyle.BackColor = Color.LightGreen; myGrid.Columns[7].FooterText = "可编辑"; myGrid.Columns[7].FooterStyle.BackColor = Color.Red; GridBind(); } // GridView 更新操作 protected void myGrid_RowUpdating(object sender, GridViewUpdateEventArgs e) { if (e.NewValues != e.OldValues) { Employees.Employees_Model model = new Employees.Employees_Model(); model.EmployeeID = Convert.ToInt32(myGrid.Rows[e.RowIndex].Cells[2].Text.Trim()); //Employees_DAL 中的 where 条件为 EmployeeID and LastName, 所以 LastName 不能更改 model.LastName = myGrid.Rows[e.RowIndex].Cells[3].Text.ToString(); model.FirstName = ((TextBox)myGrid.Rows[e.RowIndex].Cells[4].Controls[0]).Text.ToString(); model.Title = ((TextBox)myGrid.Rows[e.RowIndex].Cells[5].Controls[0]).Text.ToString(); model.Address = ((TextBox)myGrid.Rows[e.RowIndex].Cells[6].Controls[0]).Text.ToString(); model.City = ((TextBox)myGrid.Rows[e.RowIndex].Cells[7].Controls[0]).Text.ToString(); //Employees.BLL.Employees_Model bll = new Employees.BLL.Employees_Model(); bll.Update(model); //取消编辑时隐藏Footer myGrid.ShowFooter = false; //设置"编辑"和"删除"按钮还原为系统定义的颜色 myGrid.Columns[0].ControlStyle.BackColor = Color.LightPink; myGrid.Columns[1].ControlStyle.BackColor = Color.LightPink; myGrid.EditIndex = -1; GridBind(); } } // GridView 取消事件 protected void myGrid_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { //取消编辑时隐藏Footer myGrid.ShowFooter = false; //设置"编辑"和"删除"按钮还原为系统定义的颜色 myGrid.Columns[0].ControlStyle.BackColor = Color.LightPink; myGrid.Columns[1].ControlStyle.BackColor = Color.LightPink; myGrid.EditIndex = -1; //取消编辑状态 GridBind(); } // GridView 删除操作 protected void myGrid_RowDeleting(object sender, GridViewDeleteEventArgs e) { //设置更新与取消按钮之背景颜色 myGrid.Columns[0].ControlStyle.BackColor = Color.LightSteelBlue; myGrid.Columns[1].ControlStyle.BackColor = Color.LightSteelBlue; // 获取 Employees_DAL 中的 where 条件: EmployeeID and LastName int strEmployeeID = Convert.ToInt32(myGrid.DataKeys[e.RowIndex].Values[0]); string strLastName = myGrid.Rows[e.RowIndex].Cells[3].Text.ToString(); bll.Delete(strEmployeeID, strLastName); //删除 GridBind(); |