oledbConn.ServerVersion'引发了类型为'System.InvalidOperationException的异常

Question

在MVC应用程序中，当与Excel连接时出现错误 我只是用excel创建连接，尝试打开时会提示错误

  

oledbConn.ServerVersion'引发了类型异常   'System.InvalidOperationException

 public DataTable Read(string filePath)
        {
            string extension = System.IO.Path.GetExtension(filePath).ToLower();
            string connString = string.Empty;
            if (extension.Trim() == ".xls")
            {

                connString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties='Excel 8.0;HDR=YES'";

            }
            else if (extension.Trim() == ".xlsx")
            {
                //connString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filePath + ";Extended Properties=\"Excel 12.0;HDR=Yes;IMEX=2\"";
                //connString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filePath + ";Extended Properties=Excel 12.0;Persist Security Info=False";
                connString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties='Excel 8.0;HDR=YES'";
            }
            connString = string.Format(connString, filePath);

            var dataTable = ConvertXSLXtoDataTable(filePath, connString);
            return dataTable;
        }
        DataTable ConvertXSLXtoDataTable(string strFilePath, string connString)
        {
            OleDbConnection oledbConn = new OleDbConnection(connString);
            DataTable dt = new DataTable();
            try
            {

               oledbConn.Open();
                using (OleDbCommand cmd = new OleDbCommand("SELECT * FROM [Sheet1$]", oledbConn))
                {
                    OleDbDataAdapter oleda = new OleDbDataAdapter();
                    oleda.SelectCommand = cmd;
                    DataSet ds = new DataSet();
                    oleda.Fill(ds);

                    dt = ds.Tables[0];
                }
            }
            catch
            {
            }
            finally
            {

                oledbConn.Close();
            }

            return dt;

        }