using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient; namespace eMeng.Exam
{
/// <summary>
/// OutPutExcel 的摘要说明。
/// </summary>
public class OutPutExcel : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
protected System.Web.UI.WebControls.TextBox TextBox1;
protected System.Web.UI.WebControls.Label Label1;
private DataSet myDS =new DataSet(); private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!Page.IsPostBack)
{
Data_Load();//调用方法填充表格
}
}
/// <summary>
/// 创建数据源
/// </summary>
/// <returns>DataView</returns>
private void Data_Load()
{
//数据库连接字符串Catalog为指定的数据库名称，DataSource为要连接的SQL服务器名称
string myConn ="User Id=sa;Password=sa;Initial Catalog=test;Data Source=zxb;Connect Timeout=20";
//查询字符串
string mySQLstr="SELECT * FROM fy";
//连接数据库操作
SqlConnection myConnection = new SqlConnection(myConn);
//执行SQL语句操作
SqlDataAdapter myDataAdapter = new SqlDataAdapter(mySQLstr,myConnection);
//打开数据库
myConnection.Open();
//向DataSet填充数据，填充数据库服务器中test库中的fy表
myDataAdapter.Fill(myDS,"fy");
//向DastaGrid填充数据
DataGrid1.DataSource=myDS;
DataGrid1.DataBind();
}
/// <summary>
/// 输出到Excel
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button1_Click(object sender, System.EventArgs e)
{
if(TextBox1.Text=="")
{
Response.Write("<SCRIPT language=javascript>");
Response.Write("window.alert('请输入文件名');");
Response.Write("</SCRIPT>");
}
else
{
Response.Clear();
Response.Buffer= true;
Response.Charset="GB2312"; //设置了类型为中文防止乱码的出现
Response.AppendHeader("Content-Disposition","attachment;filename=" TextBox1.Text ".xls"); //定义输出文件和文件名
Response.ContentEncoding=System.Text.Encoding.GetEncoding("GB2312");//设置输出流为简体中文
Response.ContentType = "application/ms-excel";//设置输出文件类型为excel文件。
this.EnableViewState = false;
System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN",true);
System.IO.StringWriter oStringWriter = new System.IO.StringWriter(myCItrad);
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
this.DataGrid1.RenderControl(oHtmlTextWriter);
Response.Write(oStringWriter.ToString());
}
} #region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
} /// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.DataGrid1.ItemDataBound = new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
this.Button1.Click = new System.EventHandler(this.Button1_Click);
this.Load = new System.EventHandler(this.Page_Load); }
#endregion private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
e.Item.Cells[0].Attributes.Add("style","vnd.ms-excel.numberformat:@");
e.Item.Cells[3].Attributes.Add("style","vnd.ms-excel.numberformat:￥#,###.00");
}
}
}
}
