ایمان مدائنی
دوشنبه 14 مرداد 1392, 09:42 صبح
باید یک Trigger در UpdatePanel تعیریف کنی
<Triggers>
<asp:PostBackTrigger ControlID="btnUpload" />
<asp:AsyncPostBackTrigger ControlID="btnProcessData" />
</Triggers>
کدهای کامل به شکل زیر هست
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<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:FileUpload ID="fileUploadImage" runat="server"></asp:FileUpload>
<asp:Button ID="btnUpload" runat="server" Text="Upload Image" OnClick="btnUpload_Click" />
<br />
<asp:Button ID="btnProcessData" runat="server" Text="Process Data" OnClick="btnProcessData_Click" /><br />
<asp:Label ID="lblMessage" runat="server" Text="Image uploaded successfully." Visible="false"></asp:Label><br />
<asp:UpdateProgress ID="UpdateProgress1" runat="server" AssociatedUpdatePanelID="UpdatePanel1">
<ProgressTemplate>
Please wait image is getting uploaded....
</ProgressTemplate>
</asp:UpdateProgress>
<br />
<b>Please view the below image uploaded</b><br />
<asp:Image ID="img" runat="server" Width="100" Height="100" ImageAlign="Middle" />
</ContentTemplate>
<Triggers>
<asp:PostBackTrigger ControlID="btnUpload" />
<asp:AsyncPostBackTrigger ControlID="btnProcessData" />
</Triggers>
</asp:UpdatePanel>
کد ذخیره
protected void btnUpload_Click(object sender, EventArgs e)
{
if (fileUploadImage.HasFile)
{
fileName = fileUploadImage.FileName;
fileUploadImage.SaveAs("~/Images/" + fileName);
img.ImageUrl = "~/Images/" + fileName;
}
}