Excel 导入sqlserver c#
using System.Data.SqlClient;
using System.Data.OleDb;
private void button1_Click(object sender, EventArgs e)
{
OleDbConnection conn = null;
try
{
string path = "./Users.xls";
string strConn;
strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" +
"Data Source=" + path + ";" +
"Extended Properties='Excel 8.0;HDR=Yes;IMEX=1;'";
conn = new OleDbConnection(strConn);
conn.Open();
string Sql = "select * from [Users$]";
System.Data.OleDb.OleDbCommand cmd = new System.Data.OleDb.OleDbCommand();
OleDbDataAdapter ddp = new OleDbDataAdapter(Sql, conn);
DataTable dt = new DataTable();
ddp.Fill(dt);
ddp.D
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当数据表中的一列被确定为主键后,SQLServer会自动为它建立聚集索引,因为聚集索引是标识每个记录行的键,所以它将被应用到每个查询中.
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......
主要通过修改program.cs文件的内容来实现。
首先在添加几个名空间的引用：
using System.Diagnostics; //使用Process
using System.Runtime.InteropServices; ......
