繁體中文当前位置: 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
- 获取字符串数组的最后一段字符
- asp.net遍历目录文件夹和子目录所有文件
- ASP.NET 中文显示之两种解决方法
- asp.net替换和恢复html特殊字符
- asp.net简化接收参数值的函数
- asp.net验证一个字符串是否符合指定的正则表达式
- asp.net求3位不同数字的组合数
- C#(.NET)数据访问连接、查询、插入等操作的封装类
- 在ASP.NET2.0中通过Gmail发送邮件的代码
- asp.net下配置数据源时出现： 未将对象引用设置到对象的实例。
- asp.net gridview强制换行
- asp.net gridview多页时的批量删除
- 未处理的事件"PageIndexChanging" 之解决方案
- gridview调整单元格宽度的方法
- aspx如果引用cs中的变量的方法
- asp.net导出EXCEL的功能代码
- asp.net注册Javascript的方法
- Asp.Net 文件操作基类
- Asp.Net+XML操作基类(修改,删除,新增,创建)
- asp.net 获取指定文件夹下所有子目录及文件(树形)
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: 55 ::
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();
}
}
评论 (0) All
