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
ASP.NET实现数据图表a
ASP.NET实现数据图表1
Kbuilder.cs GIVE ME K
WebForm1.aspx K LINE YISHI GIEVE ME
ASP.NET实现数据图表b
today study 2005.03.03
ActiveX 组件复习笔记.1
Direct3D学习笔记（二）我们这里可以编写一个完全意义上的Direct3D程序了。
HttpContext类包含了个别HTTP请求的所有特定HTTP信息。
实现自定义分页（如：改变传统datagrid的分页显示、通过A-Z的字母来分页等）、选择...
关于Format字符串和Xml文件的解析（粗略）
wrox asp.net 2 beta preview study section 3
整合重复代码，生成自定义的列（组件）整合重复代码，生成自定义的datagrid（组件...
递归法提升密码穷举算法性能
如何用UltraEdit编译C#源程序
添加删除、更新按钮的提示确认信息，以及DATAGRID的添加、插入、更新、删除操作。
WebBrowser应用
My Composite in C#
DBForm的设计来源以及主要构想
.net中交易处理的解决方案

No. « 145 146 147 148 »

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: 115 ::
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();
}
}