Hi,
I ran into a strange problem while trying to validate a HtmlInputFile
control.
The situation is this:
I have a HtmlInputFile Control in the EditItemTemplate of a DataList
with an ID and Runat="server" and a CustomValidator next to it like
this:
<asp:datalist id="DataLst" Runat="server"
OnEditCommand="DataLst_EditCmd">
<EditItemTemplate>
<table>
<tr><td>......</td></tr>
<tr><td>
<input Type="file" ID="PicUpld" Runat="Server" />
<asp:CustomValidator ControlToValidate="PicUpld"
ErrorMessage="Invalid Format" ID="PicUpldVal"
Runat="server" OnServerValidate="PicUpldVal_SrvrValidate">
</asp:CustomValidator>
</table>
</EditItemTemplate>
<ItemTemplate>
...............
</ItemTemplate>
</asp:datalist>
Now in my code behind class the only thing I want to validate is that
either the HtmlInputFile was left empty or a JPEG file was selected,
so I have the following code:
protected void PicUpldVal_SrvrValidate(Object source,
ServerValidateEventArgs args)
{
if (this.PicUpld.Value.Trim().Equals(""))
{
args.IsValid = true;
}
else
{
args.IsValid = this.PicUpld.Value.ToLower().EndsWith
(".jpg") || this.PicUpld.Value..ToLower().EndsWith(".jpeg");
}
}
THE PROBLEM IS: That when this method is called PicUpld is null, so
this throws an exception.....
What Am I missing??
Thanks in advance for your help
Victor.
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