读取excel 获取excel工作簿名

  static System.Data.DataTable dt = new System.Data.DataTable(); 

/// <summary>
        /// 读取数据源
        /// </summary>
        /// <param name="sExcelFile"></param>
        /// <param name="dgBom"></param>
        public void ReadExcel(string sExcelFile)
        {
            try
            {
                dt.Clear();
                dt_date.Clear();
                System.Data.DataTable ExcelTable;
                DataSet ds = new DataSet();
                //Excel的连接
                string strconn = "provider=microsoft.jet.oledb.4.0;" + "data source=" + sExcelFile + ";" + "extended properties=excel 8.0;";
                OleDbConnection objConn = new OleDbConnection(strconn);
                objConn.Open();
                System.Data.DataTable schemaTable = objConn.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables, null);
                string tableName = schemaTable.Rows[0][2].ToString().Trim();//获取 Excel 的表名，默认值是sheet1
                string strSql = "select * from [" + tableName + "]";
                OleDbDataAdapter myData = new OleDbDataAdapter(strSql, objConn);
                myData.Fill(ds, tableName);//填充数据
                ExcelTable = ds.Tables[tableName];
                dt = ds.Tables[tableName];
                //dgBom.DataSource = ExcelTable;
                //dgBom.DataBind();
                objConn.Close();
            }
            catch
            {
                try {

                    dt.Clear();
                    dt_date.Clear();
                    System.Data.DataTable ExcelTable;
                    DataSet ds = new DataSet();
                    //Excel的连接
                    string strconn = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + sExcelFile + ";Extended Properties=\"Excel 12.0;HDR=YES\"";
                    OleDbConnection objConn = new OleDbConnection(strconn);
                    objConn.Open();
                    System.Data.DataTable schemaTable = objConn.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables, null);
                    string tableName = schemaTable.Rows[0][2].ToString().Trim();//获取 Excel 的表名，默认值是sheet1
                    string strSql = "select * from [" + tableName + "]";
                    OleDbDataAdapter myData = new OleDbDataAdapter(strSql, objConn);
                    myData.Fill(ds, tableName);//填充数据
                    ExcelTable = ds.Tables[tableName];
                    dt = ds.Tables[tableName];
                    //dgBom.DataSource = ExcelTable;
                    //dgBom.DataBind();
                    objConn.Close();
                }
                catch(Exception ex)
                {
                    Common.Message.Show(ex.Message, this);
                }
            }
        }