vb.net文件另存为 vb另存为程序怎么写
用vb.net编写写字板时怎么实现保存与另存为
可以用SaveFileDialog1对话框加上对文件数据操作的类来实现,,用richtextbox自己的属性方法也能行!我以前做过一个记事本程序就是那样的!
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vb.net 保存excel弹出一个重命名对话框,另存为到其他盘
添加一个SaveFileDialog,在保存excle选择时候添加
SaveFileDialog1.show()
用法跟OpenFileDialog相同
VB.net怎样保存文件
保存文件的步骤为:
关闭流,特别是写入流
关闭并保存文件
示例代码如下:
Imports System.Windows.Forms
Imports System.IO
Imports System.Text
Sub SaveFileDemo()
'打开文件。如果文件不存在则创建新的文件
Dim myFile As New IO.FileStream("d:\data.txt", _
FileMode.OpenOrCreate, _
FileAccess.Write)
'在文件末尾添加一行
Dim tw As New StreamWriter(myFile)
myFile.Seek(0, SeekOrigin.End)
tw.WriteLine("白刃格斗英雄连英模部队方队亮相阅兵")
'关闭流
tw.Close()
'关闭文件并保存文件
myFile.Close()
End Sub
vb.net中datagradview 另存为excel文件的问题
Public Class Cls导入数据
Dim xlApp As New Excel.Application()
Dim xlBook As Excel.Workbook
Dim xlSheet As Excel.Worksheet
Dim A = "A"
Public Function 导出到Excel(ByVal Dt表 As DataTable) As Boolean
Dim rowIndex, colIndex As Integer
rowIndex = 1
colIndex = 0
xlBook = xlApp.Workbooks().Add
xlSheet = xlBook.Worksheets("sheet1")
Dim Table As New DataTable()
Table = CreaTable()
'将所得到的表的列名,赋值给单元格
Dim Col As DataColumn
Dim Row As DataRow
For Each Col In Table.Columns
colIndex = colIndex + 1
xlApp.Cells(1, colIndex) = Col.ColumnName
Next
'得到的表所有行,赋值给单元格
For Each Row In Table.Rows
rowIndex = rowIndex + 1
colIndex = 0
For Each Col In Table.Columns
colIndex = colIndex + 1
xlApp.Cells(rowIndex, colIndex) = Row(Col.ColumnName)
Next
Next
With xlSheet
.Range(.Cells(1, 1), .Cells(1, colIndex)).Font.Name = "黑体"
'设标题为黑体字
.Range(.Cells(1, 1), .Cells(1, colIndex)).Font.Bold = True
'标题字体加粗
.Range(.Cells(1, 1), .Cells(rowIndex, colIndex)).Borders.LineStyle = 1
'设表格边框样式
End With
With xlSheet.PageSetup
.LeftHeader = "" Chr(10) """楷体_GB2312,常规""10公司名称:" ' Gsmc
.CenterHeader = """楷体_GB2312,常规""公司人员情况表""宋体,常规""" Chr(10) """楷体_GB2312,常规""10日 期:"
.RightHeader = "" Chr(10) """楷体_GB2312,常规""10单位:"
.LeftFooter = """楷体_GB2312,常规""10制表人:"
.CenterFooter = """楷体_GB2312,常规""10制表日期:"
.RightFooter = """楷体_GB2312,常规""10第P页 共N页"
End With
xlApp.SaveWorkspace()
MsgBox("保存完毕", MsgBoxStyle.Exclamation, "提示")
KillAllExcels()
'xlApp.Visible = True
End Function
Sub KillAllExcels()
Dim proc As System.Diagnostics.Process
For Each proc In System.Diagnostics.Process.GetProcessesByName("EXCEL")
proc.Kill()
Next
End Sub
end class
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