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Dynamically added RangeValidatorm not working


I am working in asp.net using c#

I have added RangeValidator dynamically, but it is not working. Can you please help me whay my dynamic validator is not working

I have added textbox and validator dynamically and I can see dynamic textbox on my screen from below code

hcell = new HtmlTableCell();
hcell.VAlign = "top";
TextBox txtUnitCost = new TextBox();
txtUnitCost.ID = "txtUnitCost" + Convert.ToString(cnt);
txtUnitCost.CssClass = "formTextTender";

RangeValidator rgvUnitCost = new RangeValidator();
rgvUnitCost.ValidationGroup = "tenderSubmit";
rgvUnitCost.ID = "rgvUnitCost" + Convert.ToString(cnt);
rgvUnitCost.Type = ValidationDataType.Double;
rgvUnitCost.ControlToValidate = "txtUnitCost" + Convert.ToString(cnt);
rgvUnitCost.ErrorMessage = "Please enter valid unit cost " + Convert.ToString(cnt);
rgvUnitCost.Display = ValidatorDisplay.None;
rgvUnitCost.SetFocusOnError = true;
rgvUnitCost.Visible = true;
rgvUnitCost.EnableClientScript = true;
rgvUnitCost.Enabled = true;



Below is the text field whose validator works and this is not dynamic

<asp:TextBox ID="txtAddress1" runat="server" CssClass="formText"></asp:TextBox>
                <asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ControlToValidate="txtAddress1"
                    ErrorMessage="Address1 field cannot be blank" ValidationGroup="tenderSubmit" Display="None" SetFocusOnError="True"></asp:RequiredFieldValidator></td>

Below is my validator summary added in aspx page      
<asp:ValidationSummary ID="ValidationSummary1" runat="server"
            HeaderText="You must enter a value in the following fields:" ShowMessageBox="True"
            ShowSummary="False" ValidationGroup="tenderSubmit" />
Please guide

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Last Comment

8/22/2022 - Mon

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