CDbDataReader represents a forward-only stream of rows from a query result set. To read the current row of data, callread. The methodreadAllreturns all the rows in a single array. One can also retrieve the rows of data in CDbDataReader by using foreach: ...
CDbDataReader represents a forward-only stream of rows from a query result set. To read the current row of data, callread. The methodreadAllreturns all the rows in a single array. One can also retrieve the rows of data in CDbDataReader by using foreach: ...
此Visual Basic 示例执行一个 PL/SQL 存储过程,返回两个 REF CURSOR 参数,并使用 OracleDataReader 读取值。 VB 复制 Private Sub Button1_Click( _ ByVal sender As Object, ByVal e As System.EventArgs) _ Handles Button1.Click Dim connString As New String("...") Using conn As New Oracle...
查询得到OleDbDataReader后,有三种方式支持数据读取,如下: //方法一**速度中等 OleDbDataReader reader = command.ExecuteReader(); while (reader.Read()) var t1 = reader0; //方法二**速度最慢 OleDbDataReader reader = command.ExecuteReader();
In addition, nonzero BATCHSIZE settings are useful if you are not using TABLOCK and want to prevent lock escalation. This is common in situations where you expect concurrent reader queries during a load, and don’t want them to block. Even if you use other techniques to prevent lock ...
To start the search, press the Tab key until you hear "Find next," and then press Enter. Excel finds the first matching occurrence in the search area. Your screen reader reads the text in the cell and its location. Note:When you define formatting as part of your sea...
C-DEVICE - Scan & Read Innovation. ID en paspoortscanners voor het scannen, lezen en direct inlezen van documentgegevens. Digitale receptie
To copy data from Oracle, set the source type in the copy activity to OracleSource. The following properties are supported in the copy activity source section.Expand table PropertyDescriptionRequired type The type property of the copy activity source must be set to OracleSource. Yes oracleReader...
Use Excel with your keyboard and a screen reader to name cells and data ranges in a worksheet. We have tested it with Narrator, JAWS, and NVDA, but it might work with other screen readers as long as they follow common accessibility standards and techniques. You...
Lightweight and fast library written in C# for reading Microsoft Excel files - babydaemons/ExcelDataReader