You are creating a Web Form. The Web Form allows users to rename or delete products in a list. You create a DataTable named dtProducts that is bound to a GridView. DataTable has the following four rows. dtProducts.Rows(0)("ProductName") = "Soap"dtProducts

题目

You are creating a Web Form. The Web Form allows users to rename or delete products in a list. You create a DataTable named dtProducts that is bound to a GridView. DataTable has the following four rows. dtProducts.Rows(0)("ProductName") = "Soap"dtProducts.Rows(1)("ProductName") = "Book"dtProducts.Rows(2)("ProductName") = "Computer"dtProducts.Rows(3)("ProductName") = "Spoon"dtProducts.AcceptChanges()The user utilizes a Web Form to delete the first product. You need to set the RowStateFilter property of the DataTables DefaultView so that only products that have not been deleted are shown. To which value should you set the DataTabless DefaultView.RowStateFilter?（）

A. Data View Row State.Modified Original

B. Data View Row State.Modified Current

C. Data View Row State.Current Rows

D. Data View Row State.Added

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参考答案和解析
参考答案：C
更多“You are creating a Web Form. The Web Form allows users to rename or delete products in a l ”相关问题

  • 第1题：

    有如下SQL SELECT语句SELECT*FORM工资表WHERE基本工资<=2000 AND基本工资>=1500下列与该语句等价

    有如下SQL SELECT语句 SELECT*FORM工资表WHERE基本工资＜=2000 AND基本工资＞=1500下列与该语句等价的

    A．SELECT * FORM. 工资表 WHERE 基本工资 BETWEEN 1500 AND 2000

    B．SELECT * FORM. 工资表 WHERE 基本工资 BETWEEN 2000 AND 1500

    C．SELECT * FORM. 工资表 WHERE 基本工资 FROM 1500 INTO 2000

    D．SELECT * FORM. 工资表 WHERE 基本工资 FROM 2000 INT0 1500


    正确答案：A
    解析：SQL查询语句中特殊运算BETWEEN...AND...的含义为“…和…之间”。BETWEEN...AND...是SQL查询语句中的一个特殊运算符，意思为“…和…之间”，相当与逻辑运算中的(A＞=AND＞=B，其中A＞B，选项B中数值放置错误，选项C和选项D为语法错误。掌握VisualFoxPro中关系表达式及逻辑表达式运算符的含义。

  • 第2题：

    在HTML中,实现用户与Web服务器信息交换的标记是______。A.
    <／FORM>B.
    <／PRE>C.