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vb.net文件另存為 vb另存為程序怎么寫(xiě)

用vb.net編寫(xiě)寫(xiě)字板時(shí)怎么實(shí)現(xiàn)保存與另存為

可以用SaveFileDialog1對(duì)話框加上對(duì)文件數(shù)據(jù)操作的類(lèi)來(lái)實(shí)現(xiàn),,用richtextbox自己的屬性方法也能行!我以前做過(guò)一個(gè)記事本程序就是那樣的!

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vb.net 保存excel彈出一個(gè)重命名對(duì)話框,另存為到其他盤(pán)

添加一個(gè)SaveFileDialog,在保存excle選擇時(shí)候添加

SaveFileDialog1.show()

用法跟OpenFileDialog相同

VB.net怎樣保存文件

保存文件的步驟為:

關(guān)閉流,特別是寫(xiě)入流

關(guān)閉并保存文件

示例代碼如下:

Imports?System.Windows.Forms

Imports?System.IO

Imports?System.Text

Sub?SaveFileDemo()

'打開(kāi)文件。如果文件不存在則創(chuàng)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("白刃格斗英雄連英模部隊(duì)方隊(duì)亮相閱兵")

'關(guān)閉流

tw.Close()

'關(guān)閉文件并保存文件

myFile.Close()

End?Sub

vb.net中datagradview 另存為excel文件的問(wèn)題

Public Class Cls導(dǎo)入數(shù)據(jù)

Dim xlApp As New Excel.Application()

Dim xlBook As Excel.Workbook

Dim xlSheet As Excel.Worksheet

Dim A = "A"

Public Function 導(dǎo)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()

'將所得到的表的列名,賦值給單元格

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,賦值給單元格

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 = "黑體"

'設(shè)標(biāo)題為黑體字

.Range(.Cells(1, 1), .Cells(1, colIndex)).Font.Bold = True

'標(biāo)題字體加粗

.Range(.Cells(1, 1), .Cells(rowIndex, colIndex)).Borders.LineStyle = 1

'設(shè)表格邊框樣式

End With

With xlSheet.PageSetup

.LeftHeader = "" Chr(10) """楷體_GB2312,常規(guī)""10公司名稱(chēng):" ' Gsmc

.CenterHeader = """楷體_GB2312,常規(guī)""公司人員情況表""宋體,常規(guī)""" Chr(10) """楷體_GB2312,常規(guī)""10日 期:"

.RightHeader = "" Chr(10) """楷體_GB2312,常規(guī)""10單位:"

.LeftFooter = """楷體_GB2312,常規(guī)""10制表人:"

.CenterFooter = """楷體_GB2312,常規(guī)""10制表日期:"

.RightFooter = """楷體_GB2312,常規(guī)""10第P頁(yè) 共N頁(yè)"

End With

xlApp.SaveWorkspace()

MsgBox("保存完畢", 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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