当前位置: 首页 > 图文教程 > 网络编程 > ASP.NET > asp.net Execl的添加,更新操作实现代码

ASP.NET
使用NUnit进行单元测试
[FxCop.设计规则]1. 抽象类不应该拥有构造函数
遍历XML文档返回二维数组(ASP)(更新版)
c#中的interface abstract与virtual
[VB.NET] Single & Double
asp.net验证码生成类(参考)
JAVA开发者应该去的20个英文网站 [摘]
C#中关于GDI+输出的问题
XML 命名空间提供了一种避免元素命名冲突的方法。
VS.NET 2005 Beta 2初体验(3)—操作SQL Mobile数据库
VS.NET 2005 Beta 2初体验(1)-用C#开发Managed代码
VS.NET 2005 Beta 2初体验(2)-用C++开发Native代码
VS.NET 2005 Beta2初体验（4）-Notification控件
XmlHttp异步获取网站数据的例子
利用C#编写一个简单的抓网页应用程序
C#中结构与类的区别
在.NET中实现彩色光标，动画光标和自定义光标
C#2.0新特性探究之模拟泛型和内置算法
C#2.0 新特性探究之委托与匿名委托
获取本机的本地上网IP地址

No. « 140 141 142 143 »

技术文章搜索

关键字

ASP.NET 中的 asp.net Execl的添加,更新操作实现代码

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-09-13   浏览: 126 ::
收藏到网摘: n/a

asp.net Execl的添加、修改等实现代码。 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.Data.OleDb;
public partial class html_Test_Execl : System.Web.UI.Page
......{
static string connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + HttpContext.Current.Server.MapPath("~/html/") + "new.xls;Extended Properties=Excel 8.0;";
protected void Page_Load(object sender, EventArgs e)
......{
}
protected void btnADONET_CreateExecle_Click(object sender, EventArgs e)
......{
OleDbConnection cn = new OleDbConnection( connectionString );
cn.Open();
OleDbCommand cmd = new OleDbCommand();
cmd.Connection = cn;
cmd.CommandText = "create table myTable(firstName char(255),lastName char(255))";
cmd.ExecuteNonQuery();
cmd.CommandText = "insert into myTable (firstName,lastName) values('liao','haibing')";
cmd.ExecuteNonQuery();
cmd.CommandText = "insert into myTable(firstName,lastName) values('廖','海兵')";
cmd.ExecuteNonQuery();
cmd.CommandText = "create table myTable2(姓名 char(255) , 住址 char(255))";
cmd.ExecuteNonQuery();
cn.Close();
}
protected void btnShowExecl_Content_Click(object sender, EventArgs e)
......{
ShowExeclContent();
}
private void ShowExeclContent()
......{
OleDbConnection cn = new OleDbConnection(connectionString);
OleDbDataAdapter dda = new OleDbDataAdapter("select * from [myTable]", cn);
DataSet ds = new DataSet();
dda.Fill(ds, "myTable");
DataGrid1.DataSource = ds.Tables["myTable"].DefaultView;
DataGrid1.DataBind();
}
protected void btnInsertExecl_Click(object sender, EventArgs e)
......{
InsertExeclDate();
ShowExeclContent();
}
private void InsertExeclDate()
......{
string executeString = "insert into myTable(firstName,lastName)values('" + this.txtFirstName.Text.Trim() + "','" + txtLastName.Text.Trim() + "')";
this.upDate_Insert_Delete_Operator(executeString);
}
protected void btnUpdateSelect_Click(object sender, EventArgs e)
......{
upDateSelect(this.txtFirstName.Text.Trim(), this.txtLastName.Text.Trim());
ShowExeclContent();
}
private void upDateSelect(string firstName,string lastName)
......{
string executeString = "update myTable set lastName = '" + lastName + "' where firstName = '" + firstName + "'";
this.upDate_Insert_Delete_Operator(executeString);
}
/**//**//**////删除操作进行不了,提示ISAM 不支持在链接表中删除数据。 不知道有没有什么办法可以解决这个问题
protected void btnDelete_Click(object sender, EventArgs e)
......{
Delete(this.txtFirstName.Text.Trim());
ShowExeclContent();
}
private void Delete(string firstName)
......{
string executeString = "delete from myTable where firstName = '" + firstName + "'";
this.upDate_Insert_Delete_Operator(executeString);
}
private void upDate_Insert_Delete_Operator(string executeString)
......{
OleDbConnection cn = new OleDbConnection(connectionString);
cn.Open();
OleDbCommand cmd = new OleDbCommand(executeString, cn);
cmd.ExecuteNonQuery();
cn.Close();
}
}