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
赫赫大名的A*寻路算法(vb.net版本)
asp.net(c#)下Jmai去说明 使用与下载
[原创]完美解决Could not load file or assembly ''AjaxPro.2'' or one of its dependencies. 拒绝访问。
asp.net下gridview 批量删除的实现方法
用CSS实现图片倾斜 只支持IE
.net get set用法小结
vs 不显示行号的操作方法
ASP.NET页面进行GZIP压缩优化的几款压缩模块的使用简介及应用测试!(附源码)
ASP.Net不执行问题一解
asp.net 无限分类
让VS2008对JQuery语法的智能感知更完美一点
扩展方法ToJSON() and ParseJSON()
asp.net下PageMethods使用技巧
Linq to SQL Delete时遇到问题的解决方法
实现ASP.NET多文件上传程序代码
ASP.NET AJAX 1.0 RC开发10分钟图解
asp.net get set用法
ASP.NET下使用WScript.Shell执行命令
asp.net2.0实现邮件发送(测试成功)
Asp.net 无限级分类实例代码

No. « 93 94 95 96 »

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: 204 ::
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();
}
}