How to validate text box

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How can i validate a text box so that text box should be filled with the date format mmddyyyy only using a custom validator can any one halp me for doing itthe code using javascript

Posted 22-Aug-12 2:52am

sugunaraj

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Anuja Pawar Indore 22-Aug-12 9:04am

Custom validator? Use jquery datetime picker

3 solutions

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Mario Majčica · Accepted Answer · 2012-08-22T03:04:00

Something simple as this can't work???

XML

<asp:TextBox ID="txtDate" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator ID="regvDate" runat="server" ControlToValidate="txtDate"
    ErrorMessage="Date format is not valid!" ValidationExpression="(0[1-9]|1[012])(0[1-9]|[12][0-9]|3[01])(19|20)\d\d"></asp:RegularExpressionValidator>

Cheers

Mohamed Mitwalli · Accepted Answer · 2012-08-22T03:06:00

Hi ,
Check this

XML

<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>

<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

<cc1:MaskedEditExtender ID="MaskedEditExtender1" runat="server" Mask="99/99/9999" MaskType="Date" 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>

Best Regards
M.Mitwalli

ridoy · Accepted Answer · 2012-08-22T03:03:00

I do it for one of my application..see it..i wish it will help you..customize it as your wish..

C#

if (!validateInput(autoCompleteBox1.Text, @"^[0-9]\d{1}/[0-9]\d{1}/\d{4}$", "Birthday format isn't correct! Follow day/month/year(ex. 01/01/1990) format.."))
    autoCompleteBox1.Focus();
else
{
  Messagebox.show("Your Birthday saved successfully..");
}

C#

public bool validateInput(string input,string expression,string message)
{
    bool valid = Regex.Match(input,expression).Success;

    if (!valid)
    {
        MessageBox.Show(message, "Invalid Input", MessageBoxButton.OK);
    }
    return valid;
}

How to validate text box

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