如何使DATATABLE中动态插入图片,并在DATAGIRDVIEW中显示
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Private Function labelupdate()Function labelupdate() As Boolean
Try
Dim i As Int32
Dim aa As String
aa = ""
DataGridView2.AutoGenerateColumns = True
Dim aaa1, aaa2 As Image
aaa1 = Global.KITATAMA.My.Resources.Resources.right
aaa2 = Global.KITATAMA.My.Resources.Resources.left
Dim ms1, ms2 As New IO.MemoryStream
aaa1.Save(ms1, System.Drawing.Imaging.ImageFormat.Gif)
aaa2.Save(ms2, System.Drawing.Imaging.ImageFormat.Gif)
Dim buf1, buf2 As System.Byte()
''byte[] buf = ms.ToArray();
'' ms1.WriteByte(buf1)
buf1 = ms1.ToArray
buf2 = ms2.ToArray
'MsgBox(buf1.ToString)
'' ms2.WriteByte(buf2)
Dim i As Integer
'public_dsListData.Tables(0).Columns.Add("image123", GetType(System.Byte()))
Dim newRow As DataRow
Dim datatable2 As New DataTable
datatable2.Columns.Add("image123", GetType(System.Byte()))
For i = 1 To public_dsListData.Tables(0).Rows.Count - 1
newRow = datatable2.NewRow
datatable2.NewRow()
ms1.Flush()
If i Mod 2 = 0 Then
newRow("image123") = ms1.GetBuffer()
Else
newRow("image123") = ms2.GetBuffer()
End If
datatable2.Rows.Add(newRow)
Next
With DataGridView2
.AutoGenerateColumns = False
.DataSource = public_dsListData.Tables(0)
End With
Return True
Catch ex As Exception
Return False
End Try
End Function
Try
Dim i As Int32
Dim aa As String
aa = ""
DataGridView2.AutoGenerateColumns = True
Dim aaa1, aaa2 As Image
aaa1 = Global.KITATAMA.My.Resources.Resources.right
aaa2 = Global.KITATAMA.My.Resources.Resources.left
Dim ms1, ms2 As New IO.MemoryStream
aaa1.Save(ms1, System.Drawing.Imaging.ImageFormat.Gif)
aaa2.Save(ms2, System.Drawing.Imaging.ImageFormat.Gif)
Dim buf1, buf2 As System.Byte()
''byte[] buf = ms.ToArray();
'' ms1.WriteByte(buf1)
buf1 = ms1.ToArray
buf2 = ms2.ToArray
'MsgBox(buf1.ToString)
'' ms2.WriteByte(buf2)
Dim i As Integer
'public_dsListData.Tables(0).Columns.Add("image123", GetType(System.Byte()))
Dim newRow As DataRow
Dim datatable2 As New DataTable
datatable2.Columns.Add("image123", GetType(System.Byte()))
For i = 1 To public_dsListData.Tables(0).Rows.Count - 1
newRow = datatable2.NewRow
datatable2.NewRow()
ms1.Flush()
If i Mod 2 = 0 Then
newRow("image123") = ms1.GetBuffer()
Else
newRow("image123") = ms2.GetBuffer()
End If
datatable2.Rows.Add(newRow)
Next
With DataGridView2
.AutoGenerateColumns = False
.DataSource = public_dsListData.Tables(0)
End With
Return True
Catch ex As Exception
Return False
End Try
End Function
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