前提条件：本机需支持office编程，如不支持，需执行修复，在安装那里选择支持开发模式
String sConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FilePath + ";Extended Properties=Excel 8.0;"; //关键是这句
try
{
OleDbConnection objConn = new OleDbConnection(sConnectionString);
objConn.Open();
OleDbCommand objCmdSelect = new OleDbCommand("SELECT * FROM [Sheet1$]", objConn);
//$sheet1是excel文档中的工作表名称，默认都是sheet1、sheet2……
//把代码中的sheet1改称你的excel文档中工作表的名称吧。
OleDbDataAdapter objAdapter1 = new OleDbDataAdapter();
objAdapter1.SelectCommand = objCmdSelect;
DataSet objDataset1 = new DataSet();
// objAdapter1.Fill(ds, "XLData");
// ds = objDataset1;
DataTable dt = new DataTable();
DataColumn dc = new DataColumn("abc");
dc.DataType = typeof(bool);
dc.AllowDBNull = false;
dc.DefaultValue = false;
dt.Columns.Add(dc);
objAdapter1.Fill(dt);
// dataGridView1.DataSource = objDataset1.Tables[0].DefaultView;
dataGridView1.DataSource = dt;
objConn.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString());
}
