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ASP.NET Regular Expression Validator VS Required Field Validator OR both?


ASP.NET Regular Expression Validator VS Required Field Validator OR both?

By : Marcus
Date : November 21 2020, 09:01 AM
Hope this helps You can use both of them, but make sure to add Display="Dynamic" on both of the controls.
code :
<asp:RequiredFieldValidator runat="server" id="RequiredFieldValidator1" 
                controltovalidate="TextBoxLocation" Display="Dynamic" errormessage="Required" 
                />
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ErrorMessage="Enter valid Phone number" ControlToValidate="TextBoxLocation" Display="Dynamic" ValidationExpression="^[01]?[- .]?(\([2-9]\d{2}\)|[2-9]\d{2})[- .]?\d{3}[- .]?\d{4}$" ></asp:RegularExpressionValidator> 


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asp.net Regular Expression Validator with Required Field Validator

asp.net Regular Expression Validator with Required Field Validator


By : Seth Snyder
Date : March 29 2020, 07:55 AM
Any of those help Add Display=Dynamic property to both the validators.
Further Reference
Prevent Range Validator to show error message with regular expression validator in asp.net

Prevent Range Validator to show error message with regular expression validator in asp.net


By : Pankaj Daripa
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Finally, found the answer.There is need to add a javascript function that removes unneccessary range validator message.The function is:
code :
  function clearRangeMessagePosition() {
            if (document.getElementById('<%=RegularExpressionValidator1.ClientID %>').getAttribute('isValid') != true.toString()) {
                document.getElementById('<%=RangeValidator1.ClientID %>').innerText = "";
            }
            else {
                document.getElementById('<%=RangeValidator1.ClientID %>').innerText = "Please enter number of books in range 1-100";
            }
        }
ASP.Net Prevent compare validator and regular expression validator from firing at the same time

ASP.Net Prevent compare validator and regular expression validator from firing at the same time


By : Reem Khash
Date : March 29 2020, 07:55 AM
Does that help Assign different validation groups to regular expression validator and compare validator and use ASP.NET inbuilt javascript function Page_ClientValidate() to check validation one by one.
code :
<asp:TextBox ID="textBox1" runat="server" />
<asp:RegularExpressionValidator ID="regExTextBox1" runat="server" ControlToValidate="textBox1" ErrorMessage="Not a positive real number." Display="Dynamic" ValidationExpression="(^0*[1-9]+\d*(\.\d+)?$)|(^0*\.0*[1-9]+\d*$)" ValidationGroup="Group1" />
<asp:RequiredFieldValidator ID="reqFldTextBox1" runat="server" ControlToValidate="textBox1" ErrorMessage="Enter a number." Display="Dynamic" ValidationGroup="Group2"/>

<asp:TextBox ID="textBox2" runat="server" />
<asp:RegularExpressionValidator ID="regExTextBox2" runat="server" ControlToValidate="textBox2" ErrorMessage="Not a positive real number." Display="Dynamic" ValidationExpression="(^0*[1-9]+\d*(\.\d+)?$)|(^0*\.0*[1-9]+\d*$)" ValidationGroup="Group1" />
<asp:RequiredFieldValidator ID="reqFldTextBox2" runat="server" ControlToValidate="textBox2" ErrorMessage="Enter a number." Display="Dynamic" ValidationGroup="Group2" />
<asp:CompareValidator id="compareValidator" runat="server" ControlToValidate="textBox2" ControlToCompare="textBox1" Type="Double" Display="Dynamic" Operator="LessThan" Text="Error." ValidationGroup="Group3" />

<asp:Button ID="Button1" runat="server" Text="Button" OnClientClick="return Validate()" />
    <script type="text/javascript">
        function Validate() {
            var isValid = false;
            isValid = Page_ClientValidate('Group1');
            if (isValid) {
                isValid = Page_ClientValidate('Group2');
            }
            if (isValid) {
                isValid = Page_ClientValidate('Group3');
            }
            return isValid;
        }
    </script>
ASP.NET Required Field Validator & Custom Validator not working

ASP.NET Required Field Validator & Custom Validator not working


By : Mari Johannessen
Date : March 29 2020, 07:55 AM
help you fix your problem This is my aspx code , I assume that you have a ValidationSummary control similar to this:
code :
<asp:ValidationSummary runat="server" ForeColor="Red" ValidationGroup="EmployerRegister" />
<asp:RequiredFieldValidator ID="uxEmployerNameValReq" EnableClientScript="false" ... />
<asp:RequiredFieldValidator ID="uxEmailValReq" EnableClientScript="false" ... />
<asp:RegularExpressionValidator ID="uxEmailExprVal" EnableClientScript="false" ... />
<asp:CustomValidator ID="uxEmailValUnique" EnableClientScript="false" ... />
<asp:RequiredFieldValidator ID="uxEmployerNameValReq" EnableClientScript="true" ... />
<asp:RequiredFieldValidator ID="uxEmailValReq" EnableClientScript="true" ... />
<asp:RegularExpressionValidator ID="uxEmailExprVal" EnableClientScript="true" ... />
<asp:CustomValidator ID="uxEmailValUnique" EnableClientScript="false" ... />
I want validation expression for required field validator and the numeric validator together for phone number

I want validation expression for required field validator and the numeric validator together for phone number


By : Keller Tamás
Date : March 29 2020, 07:55 AM
this will help I want validation expression for required field validator and the numeric validator together for phone number
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