Forms Data Controls :: Filter Gridview By Date Error "String Was Not Recognized As A Valid DateTime"

Feb 4, 2010

I want to filter a Gridview by date. I enter the date in a textbox and use FilterExpressions. I keep getting the error message: String was not recognized as a valid DateTime. How can I solve this?

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<cc1:MaskedEditExtender ID="MaskedEditExtender1" runat="server" Mask="9999/99/99 99:99:99" MaskType="DateTime"
TargetControlID="TextBox1" PromptCharacter="_"> </cc1:MaskedEditExtender>
<cc1:MaskedEditValidator ID="MaskedEditValidator1" runat="server" ControlExtender="MaskedEditExtender1"
ControlToValidate="TextBox1" EmptyValueMessage="Date is required" InvalidValueMessage="Date is invalid"
IsValidEmpty="False" TooltipMessage="Input a Date"></cc1:MaskedEditValidator>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="xxx"
SelectCommand="SELECT * FROM [xx]"
FilterExpression="Date <=#{0}%#">
<FilterParameters>
<asp:ControlParameter ControlID="TextBox1" Name="Date" PropertyName="Text" Type="DateTime" />
</FilterParameters>
</asp:SqlDataSource>

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