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7.4

Converting VARBinary (from SQL Database) to an Image in a Datagrid with a Template Column with an image

Asked by Mezillinu in Programming for ASP.NET, Microsoft Visual Basic.Net, .NET

Hi guys,

I have saved images in an sql database as varbinary data.

To save them i have no problem, but on the other hand - to render them and view them in a datagrid i have no idea how to do this. I have built a template column, with its field's name which it extracts data from it is named imgData.

I was going to build a function to render each image of each row and view the image in the specific data column.

I started with the below code, but i think I am missing some major issues - i am not sure if my way is the right one, so i am open to new ideas

All help is appreciated! Thanks!

PS: This is the code when i load the data. When i load it at the moment, before i started using template column, it used to return a value under each column as "System.byte[]" . Now i want to convert that into an image in the datagrid. this is the code below - nothing special just normal datagrid binding.

Private Sub Load_Data()
Dim ds As New DataSet
Dim SqlAdapt As New SqlDataAdapter(("SELECT * FROM tbl_products"), conn)
SqlAdapt.Fill(ds, "tbl_products")
GDProd.DataSource = ds
GDProd.DataBind()
End Sub

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             Private Sub Render_DBImage(ByRef db_image As Byte, ByRef Ins_Control As Control)
        Dim M_image As New MemoryStream(db_image)
        Dim INS_image As System.Drawing.Image
        INS_image = System.Drawing.Image.FromStream(M_image)
    End Sub

Converting VARBinary (from SQL Database) to an Image in a Datagrid with a Template Column with an image

Asked by Mezillinu in Programming for ASP.NET, Microsoft Visual Basic.Net, .NET

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