ASP.NET 2.0 RegularExpessionValidator to exclude a specific line.
Say you had the following select:
<select id="ItemSelect" runat="server">
<option selected="selected">Select your item</option>
<option>Item one</option>
<option>Item two</option>
<option>Item three</option>
</select>
And you wanted to force the user to select Item one/two/three. You could do this by creating a RegularExpressionValidator to to accept anything but the “Select your item” option like so:
<asp:RegularExpressionValidator ID="ItemRegularExpressionValidator"
runat="server"
ControlToValidate="ItemSelect"
runat="server"
ControlToValidate="ItemSelect"
ErrorMessage="Item Required"
Text="*"
SetFocusOnError="true"
ValidationExpression="^((?!Select your item).)*$"></asp:RegularExpressionValidator>
Text="*"
SetFocusOnError="true"
ValidationExpression="^((?!Select your item).)*$"></asp:RegularExpressionValidator>
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