How to use modal popup with Textbox Changed

See more:

C#

ASP.NET

Ajax

, +

Hi,


I want to using modal popup according to textbox value. i.e when i write a string like "test" in textbox, modal popup show. I try to this with textbox change event, but it didn't.

here is my code:

aspx file:

<asp:UpdatePanel ID="UpdatePanel1" runat="server">
    <ContentTemplate>
        <asp:Button ID="Btnshow" runat="server" Text="Show" OnClick="Btnshow_Click" />
        <asp:Button ID="BtnTarget" runat="server" Text="Target" Style="display: none" />
        <asp:TextBox ID="TextBox1" runat="server">
        </asp:TextBox>
        <input type="button" value="Get" onclick="abc()" />
        <asp:ModalPopupExtender ID="ModalPopupExtender1" runat="server" TargetControlID="BtnTarget"
            PopupControlID="Panel1">
        </asp:ModalPopupExtender>
        <asp:Panel ID="Panel1" runat="server" BackColor="Black" Width="300px" Height="300px">
            <asp:UpdatePanel ID="UpdatePanel2" runat="server" ChildrenAsTriggers="false" UpdateMode="Conditional">
                <ContentTemplate>
                    <asp:Button ID="BtnHide" runat="server" Text="Hide Button" OnClick="BtnHide_Click" />
                </ContentTemplate>
                <Triggers>
                    <asp:AsyncPostBackTrigger ControlID="BtnHide" EventName="Click" />
                </Triggers>
            </asp:UpdatePanel>
        </asp:Panel>
    </ContentTemplate>
    <Triggers>
        <asp:AsyncPostBackTrigger ControlID="Btnshow" EventName="Click" />
    </Triggers>
</asp:UpdatePanel>

cs file:

protected void TxtProject_TextChanged(object sender, EventArgs e)
        {
            KurumAdi = TxtProject.Text;
            if (TxtProject.Text == "test")
            {
                Btnshow_Click(null, null);
            }
        }

        protected void Btnshow_Click(object sender, EventArgs e)
        {
            ModalPopupExtender1.Show();
        }
        protected void BtnHide_Click(object sender, EventArgs e)
        {
            ModalPopupExtender1.Hide();
        }