vb.net源码图片 vb加载图片代码

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。

  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

相关问答

Q1: VB.Net猜字小游戏源代码。

这并不难，但程序肯定很长，其实，只要你已经学会了VB，这个问题并不难，但只是懒惰。，你应该自己编的，遇到问题，我们要问，请不要问。

锤子，图片显示和隐藏的Visible属性设置为指示的出现和消失的仓鼠，您可以使用自定义鼠标。

Q2: VB.Net 如何用代码为picturebox 打开一张图片

        Dim fn As String = "D:\test.jpg"

        '方法1

        Me.PictureBox1.ImageLocation = fn

        '方法2

        Me.PictureBox1.Image = Image.FromFile(fn)

Q3: vb.net中,在sql server2000数据库中插入图片，最好有源码，有懂的朋友可以家我QQ1971951508

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

ExeDMLSQL()

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

Dim strsql As String = "select * from 产品图片 where 序号=1"

Dim objcommand As New SqlCommand(strsql, New SqlConnection(connection))

objcommand.Connection.Open()

Dim myreader As SqlDataReader = objcommand.ExecuteReader()

If myreader.Read() Then

Dim imgInfo() As Byte = myreader("图片")

Dim memoryStream As New MemoryStream(imgInfo)

PictureBox1.Image = Image.FromStream(memoryStream)

End If

End Sub

Private Sub ExeDMLSQL()

Dim st As New FileStream("D:\1.png", FileMode.Open, FileAccess.Read)

Dim mbr As New BinaryReader(st)

Dim buffer(st.Length) As Byte

mbr.Read(buffer, 0, CInt(st.Length))

st.Close()

InsertImage(buffer)

End Sub

Private Sub InsertImage(ByVal buffer() As Byte)

Dim cn As New SqlConnection(connection)

cn.Open()

Dim cmd As New SqlCommand("SaveImg", cn)

cmd.CommandType = CommandType.StoredProcedure

cmd.Parameters.Add("@name", SqlDbType.VarChar).Value = 1

cmd.Parameters.Add("@image", SqlDbType.Image).Value = buffer

cmd.ExecuteNonQuery()

MsgBox("Image inserted.")

cn.Close()

End Sub

SaveImg是一个存储过程:

ALTER PROCEDURE dbo.SaveImg

@name AS int,

@image AS IMAGE

AS

INSERT INTO 产品图片 (序号, 图片)

VALUES (@name, @image)

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