vb.net源吗大全 vbs源码

求vb.net的源代码,最好说明其解决问题,越多越好,满意加50分。

下面这段代码,是我用来计算每个月存500元进银行,连续30年,最后连本带利能有多少钱。这里面涉及复利计算。界面中右边的文本框用来输出每一次计算的结果。

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Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

  Dim nianxian As Integer '年限变量

  Dim dingcun As Integer '定存变量

  Dim fuli_big As Long '大复利

  Dim fuli_small As Long '小复利

  Dim i As Integer '循环变量

  Dim DATAstring As String '数据字符串

  nianxian = Val(年限_TextBox.Text)

  dingcun = Val(定存_TextBox.Text)

  DATAstring = ""

  For i = 1 To nianxian

      fuli_small = dingcun * (1 + 0.1875)

      dingcun = fuli_small

      fuli_big = fuli_big + fuli_small

      DATAstring = DATAstring + "[" + Trim(Str(i)) + "]" + Str(fuli_big) + Chr(13) + Chr(10)

      'DATAstring = DATAstring + "[" + Trim(Str(i)) + "]" + Str(fuli_small) + Chr(13) + Chr(10)

  Next

  'fuli_big = fuli_small

  TextBox1.Text = DATAstring

  结果_TextBox.Text = Str(fuli_big) + "元"

End Sub

如何用vb.net获得网页的源代码

Dim url As String=" 网址"

Dim httpReq As System.Net.HttpWebRequest

Dim httpResp As System.Net.HttpWebResponse

Dim httpURL As New System.Uri(url)

httpReq = CType(WebRequest.Create(httpURL), HttpWebRequest)

httpReq.Method = "GET"

httpResp = CType(httpReq.GetResponse(), HttpWebResponse)

httpReq.KeepAlive = False ' 获取或设置一个值,该值指示是否与

Internet资源建立持久连接。

Dim reader As StreamReader = _

New StreamReader(httpResp.GetResponseStream,

System.Text.Encoding.GetEncoding(-0))

Dim respHTML As String = reader.ReadToEnd() 'respHTML就是网页源代码

求VB.net程序源代码 绘图板、二十一点游戏、计算器、井字棋游戏、屏幕保护程序等

说明:1.共有4个文本框其,其中三个是填入或输出数据的(名称分别是:txta txtb txtc),剩下的那个是符号(txtd)2.共7个按钮,4个是符号按钮,一个计算,一个清零.这是我弄的程序”袖珍计算器”代码也是自己编写的,代码如下:通用声明Dim j As Integer '定义j为整型

Private Sub Text1_Change()End SubPrivate Sub Command1_Click()

txtfuhao.Text = "+" '将”+”显示到文本框txtfuhao.Text中

End SubPrivate Sub Command2_Click()

txtfuhao.Text = "-" ''将”-”显示到文本框txtfuhao.Text中

End SubPrivate Sub Command3_Click()

txtfuhao.Text = "×" '将”×”显示到文本框txtfuhao.Text中

End SubPrivate Sub Command4_Click()

txtfuhao.Text = "÷" 将”÷”'显示到文本框txtfuhao.Text中

End Sub

Private Sub Command5_Click()

Dim a, b, c As Integer

a = Val(txta.Text) '将txta.Text里的内容转化为数值型,然后再赋给a

b = Val(txtb.Text) '将txtb.Text里的内容转化为数值型,然后再赋给b

If txtfuhao.Text = "+" Then '运算过程

c = a + b '运算过程

ElseIf txtfuhao.Text = "-" Then '运算过程

c = a - b '运算过程

ElseIf txtfuhao.Text = "÷" Then '运算过程

c = a / b '运算过程

ElseIf txtfuhao.Text = "×" Then '运算过程

c = a * b '运算过程

Else

j = MsgBox("您输入的符号不正确", vbOKOnly, "错误信息")

End If

txtc.Text = c '将运算结果c输出到文本框txtc中

End SubPrivate Sub Command6_Click()

txta.Text = "" '将空字符输入到文本框内(刷新)

txtb.Text = "" '将空字符输入到文本框内(刷新)

txtc.Text = "" '将空字符输入到文本框内(刷新)

txtfuhao.Text = "" '将空字符输入到文本框内(刷新)

End SubPrivate Sub Command7_Click()

End '结束程序

End SubPrivate Sub Form_Load()End Sub

求VB.NET网站权限的源代码或实例

GRANT { { SELECT | INSERT | UPDATE | DELETE | REFERENCES | TRIGGER }

[,...] | ALL [ PRIVILEGES ] }

ON [ TABLE ] tablename [, ...]

TO { username | GROUP groupname | PUBLIC } [, ...] [ WITH GRANT OPTION ]

GRANT { { USAGE | SELECT | UPDATE }

[,...] | ALL [ PRIVILEGES ] }

ON SEQUENCE sequencename [, ...]

TO { username | GROUP groupname | PUBLIC } [, ...] [ WITH GRANT OPTION ]

GRANT { { CREATE | CONNECT | TEMPORARY | TEMP } [,...] | ALL [ PRIVILEGES ] }

ON DATABASE dbname [, ...]

TO { username | GROUP groupname | PUBLIC } [, ...] [ WITH GRANT OPTION ]

GRANT { EXECUTE | ALL [ PRIVILEGES ] }

ON FUNCTION funcname ( [ [ argmode ] [ argname ] argtype [, ...] ] ) [, ...]

TO { username | GROUP groupname | PUBLIC } [, ...] [ WITH GRANT OPTION ]

GRANT { USAGE | ALL [ PRIVILEGES ] }

ON LANGUAGE langname [, ...]

TO { username | GROUP groupname | PUBLIC } [, ...] [ WITH GRANT OPTION ]

GRANT { { CREATE | USAGE } [,...] | ALL [ PRIVILEGES ] }

ON SCHEMA schemaname [, ...]

TO { username | GROUP groupname | PUBLIC } [, ...] [ WITH GRANT OPTION ]

GRANT { CREATE | ALL [ PRIVILEGES ] }

ON TABLESPACE tablespacename [, ...]

TO { username | GROUP groupname | PUBLIC } [, ...] [ WITH GRANT OPTION ]

GRANT role [, ...] TO username [, ...] [ WITH ADMIN OPTION ]

希望对你有帮助


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