dviewappearance.aspx.cs

《圣殿祭司的ASP.NET 2.0开发详解——使用C#》光盘内容.包含了书籍所含的源代码.非常经典的一本asp.net2.0的书籍

using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;
using System.Drawing;

public partial class dviewAppearance : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

	protected void dviewEmployees_ModeChanging(object sender, DetailsViewModeEventArgs e)
	{
		//依不同模式显示Headertext及背景色
		switch (e.NewMode)
		{
			case DetailsViewMode.Edit:
				dviewEmployee.HeaderText="编辑员工基本资料";
				dviewEmployee.HeaderStyle.HorizontalAlign=HorizontalAlign.Center;
				dviewEmployee.HeaderStyle.BackColor = Color.Red;
				//若为编辑模式，则改变其背景色及各个Fields设置其宽度为100
				dviewEmployee.EditRowStyle.BackColor = Color.LightPink;
				for (int i = 0; i < dviewEmployee.Fields.Count-1; i++)
				{
					dviewEmployee.Fields[i].ControlStyle.Width = 150;
				}
				break;
			case DetailsViewMode.Insert:
				dviewEmployee.HeaderText = "添加员工基本资料";
				dviewEmployee.HeaderStyle.HorizontalAlign=HorizontalAlign.Center;
				dviewEmployee.HeaderStyle.BackColor = Color.DeepSkyBlue;
				//若为添加模式，则改变其背景色及各个Fields设置其宽度为100
				dviewEmployee.InsertRowStyle.BackColor = Color.LightCyan;
				for (int i = 0; i < dviewEmployee.Fields.Count-1; i++)
				{
					dviewEmployee.Fields[i].ControlStyle.Width = 150;
					dviewEmployee.Fields[i].ControlStyle.Height = 35;
				}
				break;
			default :
				dviewEmployee.HeaderStyle.BackColor = Color.Tan;
				break;
		}
	}

	//改变TextBox为MultiLine及改变背景颜色
	protected void dviewEmployees_DataBound(object sender, EventArgs e)
	{
		//在编辑及新增模式下将TextBox改为MultiLine及改变背景颜色
		if (dviewEmployee.Rows[1].Cells[1].Controls.Count > 0)
		{
			((TextBox)dviewEmployee.Rows[1].Cells[1].Controls[0]).TextMode = TextBoxMode.MultiLine;
			((TextBox)dviewEmployee.Rows[1].Cells[1].Controls[0]).BackColor = Color.LightBlue;
			((TextBox)dviewEmployee.Rows[2].Cells[1].Controls[0]).TextMode = TextBoxMode.MultiLine;
			((TextBox)dviewEmployee.Rows[2].Cells[1].Controls[0]).BackColor = Color.LightCoral;
			((TextBox)dviewEmployee.Rows[3].Cells[1].Controls[0]).TextMode = TextBoxMode.MultiLine;
			((TextBox)dviewEmployee.Rows[3].Cells[1].Controls[0]).BackColor = Color.LightGreen;
			((TextBox)dviewEmployee.Rows[4].Cells[1].Controls[0]).TextMode = TextBoxMode.MultiLine;
			((TextBox)dviewEmployee.Rows[4].Cells[1].Controls[0]).BackColor = Color.LightYellow;
		}
	}

	//判断用户所点击的命令字段按钮
	protected void dviewEmployee_ItemCommand(object sender, DetailsViewCommandEventArgs e)
	{
		switch (e.CommandName)
		{
			case "Edit":
				showMsg("您点击的是编辑按钮");
				break;
			case "New":
				showMsg("您点击的是新增按钮");
				break;
			case "Delete":
				showMsg("您点击的是删除按钮");

				break;
			case "Cancel":
				showMsg("您点击的是取消按钮");
				break;
			default :
				txtMsg.Text = "";
				break;
		}
	}
	
	//取消删除
	protected void dviewEmployee_ItemDeleting(object sender, DetailsViewDeleteEventArgs e)
	{
		e.Cancel = true;
	}

	//显示JavaScript的Alert信息
	protected void showMsg(string AlertMessage)
	{
		Literal txtMsg = new Literal();
		txtMsg.Text = "<script>alert('" + AlertMessage + "')</script>" + "<BR/>";
		Page.Controls.Add(txtMsg);
	}
}