c#找不到可安装的isam,怎么解决啊
protected void btnstart_Click(object sender, EventArgs e)
{
string filepath = FileUpload1.PostedFile.FileName;
string mystring = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source='" + filepath + "';Extended Properties=\"Excel 11.0\"";
OleDbConnection conxls = new OleDbConnection(mystring);
string sql = "SELECT * FROM [Sheet1$]";
OleDbDataAdapter da = new OleDbDataAdapter(sql,conxls);
DataSet ds = new DataSet();
da.Fill(ds);
GridView2.DataSource = ds.Tables[0];
GridView2.DataBind();
哪位高手帮我看看是什么原因啊,,,,,,谢谢啊。。。。。。