Display Image

[jeenajos]

Hi all,

Im working with Datagrid for image manipulation.I have an image upload part which work as uploading an image in Server Map Path and storing the image path in database .I displays the image name in datagrid. The thing i want is, hw can i display the image in a placeholder wen i click that link in Datagrid?

Can anyone suggest an idea.?Is there any other option?Whether this concept works?

And also is it possible to return a value from a set of code to another set?Pls give me its format.Im really a new to .net.

Thanks

[kunal pawar]

If your Image is store in data base then u can show image in image tag with assigning navigationrl/src = .aspx whose content type is image

this is code for .aspx page

<%@ Page Language="vb" AutoEventWireup="false" %>
<%@import Namespace=System.IO %>
<%@Import namespace=System.Data.SqlClient %>
<%@Import namespace= System.Threading %>
<%@Import namespace= System %>
<%@Import namespace= System.Data %>
<%@Import namespace= System.Web %>
<%@ Import Namespace="System.Drawing" %>
<%@Import namespace= System.Drawing.Bitmap %>
<%@ Import Namespace="System.Configuration" %>
<%@ Import Namespace="System.Drawing.Imaging" %>
<%@Import namespace= System.Web.UI.WebControls.Image %>
<script runat="server">
Dim con As SqlConnection
Dim cmd As SqlCommand
Dim dr As SqlDataReader

</script>
<%

con = New SqlConnection(ConfigurationManager.ConnectionStrin gs("desktopConnectionString").ConnectionString.ToS tring())
con.Open()
Dim ret_img As String
ret_img = "SELECT B.TITLE, B.IMAGEPATH FROM SESSION where IMAGE_ID='" + Request.QueryString("imageid") + "' "

cmd = New SqlCommand(ret_img, con)
dr = cmd.ExecuteReader
Dim imagedata As Byte()
Dim bmp As Bitmap
If dr.HasRows Then
dr.Read()
imagedata = dr.Item(0)
If imagedata.Length > 0 Then
Dim srm As MemoryStream = New MemoryStream(imagedata, True)
srm.Write(imagedata, 0, imagedata.Length)

Try

bmp = Bitmap.FromStream(srm)
Dim g As Graphics = Graphics.FromImage(bmp)

Response.ContentType = "image/JPEG"
bmp.Save(Response.OutputStream, ImageFormat.Jpeg)

Catch ex As Exception
' Response.Write(ex.Message)
End Try

End If
End If
%>

[jeenajos]

Hi,
Thanks for the response,
But i didnt stored the image in database, i only stored the image name(filename) in databse.Image is in Sever.MapPath.
Now the situation is that i displayed the filename in datagrid, wen i click that filename it should display the image in a placeholder.
Any solution for that?

Thank U.