若上传文件的名字为userfile,则下列选项中可以用于判断上传文件类型的是()。
第1题:
在窗体上画一个通用对话框,其名称为CommonDialog1,然后画一个命令按钮,并编写如下事件过程:
Private Sub Command1_Click()
CommonDialog1.Flags=vbOFNHideReadOnly
CommonDialog1.Filter= "All Files(*.*) |*.*|Text Files(*.*) |*.txt|" _
& Batch Files(*.bat) |*.bat"
CommonDialog1.FilterIndex=1
CommonDialog1.ShowOpen
MsgBox CommonDialog1.FileName
End Sub
程序运行后,单击命令按钮,将显示一个"打开"对话框,此时在"文件类型"框中显示的是( )。
A.All Files(*.*)
B.Text Files(*.*)
C.Batch Files(*.bat)
D.All Files(*.*) |Text Files(*.*)
第2题:
请用下列适当的单词填空:
Alphabetical / sort / company / files / keep
1.It will not work on directories which have__________in them.
2.Please help me________ the files by size.
3.It's a good idea to_________ duplicate files on disk.
4.We open the files in _________order.
5.We will arrange files on all staff in our__________.
第3题:
在窗体上画一个通用对话框,其名称为 CommonDialog1 ,然后画一个命令按钮,并编写如下事件过程:
Private Sub Command1_Click()
CommonDialog1.Filter="All Files(*.*)|*.*Text Files"&_
"(*.txt)|*.txt| Executable Files(*.exe)|*.exe"
CommonDialog1.Filterindex=3
CommonDialog1.Show Open
MsgBox CommonDialog1.FileName
End Sub
程序运行后,单击命令按钮,将显示一个“打开”对话框,此时在“文件类型”框中显示的是( )。 A.All Files(*.*)
B.Text files(*.txt)
C.Executable Files(*.ext)
D.不确定
第4题:
在窗体上画一个通用对话框,其名称为CommonDialogl,然后画一个命令按钮,并编写如下事件过程。 Private Sub Command1_Click() CommonDialog1.Flags=vbOFNHideReadOnly CommonDialog1.Filter="All Files(*.*)|*.*|Text Files(*.txt)|*.txt CommonDialog1.FilterIndex=1 CommonDialog1.ShowOpen MsgBox CommonDialog1.FileName End Sub 程序运行后,单击命令按钮,将显示一个“打开”对话框,此时在“文件类型”框中显示的是
A.All Files(*.*)
B.Text Files(*.txt)
C.*.txt
D.All Files(*.*)|Text Files(*.*)
第5题:
A. New channels for restore and recovery tasks
B. New name for the data files of the tablespace
C. Auxiliary name for the data files of the tablespace
D. Auxiliary destinations for an auxiliary set of data files
第6题:
在窗体上画一个通用对话框,其名称为CommonDialog1,然后画一个命令按钮,并编写如下事件过程。
Private Sub Command1_Click()
CommonDialog1.Flags=vbOFNHideReadOnly
CommonDialog1.Filter= "All Files(*.*) |*.*|Text Files(*.txt)|*.txt
CommonDialog1.FilterIndex=1
CommonDialog1.ShowOpen
MsgBox CommonDialog1.FileName
End Sub
程序运行后,单击命令按钮,将显示一个"打开"对话框,此时在"文件类型"框中显示的是
A.All Files(*.*)
B.Text Files(*.txt)
C.Batch Files(*.bat)
D.All Files(*.*) |Text Files(*.txt)
第7题:
在某32位系统中,若声明变量char* files[]={"f1 ","f2 ",”f3 ,"f4 "},则files占用内存大小为______字节。
A.4
B.8
C.12
D.16
第8题:
( 31 )在窗体上画一个通用对话框,其名称为 CommonDialog1 ,然后画一个命令按钮,并编写如下事件过程:
Private Sub Command1_Click()
CommonDialog1.Filter = "All Files (*.*)|*.*|Text Files" & _
"(*.txt)|*.txt| Executable Files(*.exe)|*.exe"
CommonDialog1.FilterIndex = 3
CommonDialog1.ShowOpen
MsgBox CommonDialog1.FileName
End Sub
程序运行后,单击命令按钮,将显示一个 “ 打开 ” 对话框,此时在 “ 文件类型 ” 框中显示的是
A ) All Files(*.*)
B ) Text Files(*.txt)
C ) Executable Files(*.exe)
D ) 不确定
第9题:
You are managing the APPPROD database as a DBA which is not using the Oracle-managed files. You plan to duplicate this database in the same system with the name DUPDB.You want to create the same directory structure for duplicate database files as of the target database.You executed the following RMAN commands:What are the implications of this command?()
A. It creates database files for the duplicate database under the Oracle base with a different directory for the duplicate database.
B. It overwrites data files of the target database because a different location for data files is not mentioned for the duplicate database.
C. It creates database files for the duplicate database under the same Oracle home as that of the target database with the same directory structure.
D. It creates database files for the duplicate database under the same Oracle home as that of the target but with a different directory for the duplicate database.
第10题:
在窗体上画一个通用对话框,其名称为CommonDialog1,然后画一个命令按钮,并编写如下事件过程:
Private Sub Command1_Click()
CommonDialog1.Flags=vbOFNHideReadOnly
CommonDialog1.Filter="All Files(*.*)|*.*|Text Files(*.txt)|*.txt
CommonDialog1.FiherIndex=1
CommonDialog1.ShowOpen
MsgBox CommonDialog1.FileName
End Sub
程序运行后,单击命令按钮,将显示一个“打开”对话框,此时在“文件类型”框中显示的是
A.All Files(*.*)
B.Text Files(*.*)
C.*.txt
D.All Files(*.*)|Text Files(*.*)