Answer / govind

step1) place one fileUpload control from tool box
step2) in it's Button click event
If FileUpload1.PostedFile Is Nothing Then
Response.Write("no file posted")

Else
Here Convert that image as byte and pass it
to function.
Dim con As SqlConnection
Dim cmd As SqlCommand
Dim ds As New DataSet

con = New
SqlConnection(ConfigurationManager.AppSettings("connectionString"))
cmd = New SqlCommand("insert into tablename
values(@image_in), con)
Dim imageByte(FileUpload1.PostedFile.InputStream.Length) As
Byte

FileUpload1.PostedFile.InputStream.Read(imageByte, 0,
imageByte.Length)
cmd.Parameters.AddWithValue("@image_in",
imageByte)
con.Open()
cmd.ExecuteNonQuery()
con.Close()

Response.Write("file is inserted")
End If

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