欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

c#读取excel内容内容示例分享

程序员文章站 2023-12-19 23:24:10
1、excel 需是.xls 格式2、添加引用microsoft.office.interop.excel.dll 复制代码 代码如下:using system;usin...

1、excel 需是.xls 格式
2、添加引用microsoft.office.interop.excel.dll

复制代码 代码如下:

using system;
using system.collections.generic;
using system.linq;
using system.text;
using system.data;
using system.data.oledb;
using excel = microsoft.office.interop.excel;
using system.diagnostics;

namespace readexcel
{
    class program
    {
        static void main(string[] args)
        {
            string filename = @"d:\transferplant\111.xls";
            datatable dt = exceltodataset(filename);
            if (dt.rows.count > 0)
            {
                for (int i = 0; i < dt.rows.count; i++)
                {
                    console.writeline(dt.rows[i][0].tostring());
                }
            }
        }

        static public datatable exceltodataset(string filename)
        {
            string strcon = " provider = microsoft.jet.oledb.4.0 ; data source = "+filename+";extended properties=excel 8.0";
            oledbconnection conn = new oledbconnection(strcon);
            conn.open();
            //返回excel的架构,包括各个sheet表的名称,类型,创建时间和修改时间等 
            datatable dtsheetname = conn.getoledbschematable(oledbschemaguid.tables, new object[] { null, null, null, "table" });
            //包含excel中表名的字符串数组
            string[] strtablenames = new string[dtsheetname.rows.count];
            for (int k = 0; k < dtsheetname.rows.count; k++)
            {
                strtablenames[k] = dtsheetname.rows[k]["table_name"].tostring();
            }
            oledbdataadapter mycommand = null;
            datatable dt = new datatable();
            //从指定的表明查询数据,可先把所有表明列出来供用户选择
            string strexcel = "select * from [" + strtablenames[0] + "]";
            mycommand = new oledbdataadapter(strexcel, strcon);
            mycommand.fill(dt);

            return dt;
        }
    }
}

上一篇:

下一篇: