date type validation check

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ASP.NET

<div>
        <asp:TextBox ID="txt_startdate" runat="server"><asp:TextBox ID="txt_enddate"
            runat="server"><asp:CompareValidator ID="CompareValidator1"
ControlToValidate="txt_enddate" Type="Date" Operator="GreaterThan"
ErrorMessage="invalid"
ControlToCompare="txt_startdate" runat="server" ForeColor="Red" 
            ValueToCompare="txt_enddate">
        <asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" />
        <asp:Label ID="Label1" runat="server" Text="Label">
        <br />
        <asp:TextBox ID="TextBox1" runat="server">
        <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" 
            ControlToValidate="TextBox1" ErrorMessage="required" ForeColor="Red">
    </div>

my code abobe i want if 6jun-2013 is start date then end date must be 07jun2013 onword not below than current date

Posted 5-Jun-13 21:02pm

BHABANI PRASAD DASH

Updated 5-Jun-13 21:28pm

v3

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pramodachary 6-Jun-13 3:07am

Hi
fist add datepicker to text control and use .AddDays(1) and populate in enddate texbox..

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pramodachary · Answer 1 · 2013-06-05T21:09:00

Solution 1

Hi

fist add datepicker to text control and use .AddDays(1) and populate in enddate texbox..

Posted 5-Jun-13 21:09pm

pramodachary

**VICK** · Answer 2 · 2013-06-05T21:39:00

Solution 3

You can use asp compare validator for this purpose.. for example if you have two textboxes i.e txtDateStart & txtEndDate and you want to validate them user can not enter end date which comes before start data.. mean 7th june should not be start date if 6 june is end date.

Following is the sample code.

XML

<asp:CompareValidator ID="ValidatorID1" runat="server" ControlToCompare="txtStartDate" ControlToValidate="txtEndDate" ErrorMessage="Start Date must be before End Date" Operator="GreaterThan" Type="Date" Display = "None"></asp:CompareValidator>

Hope it will help.

Regards, :)

Posted 5-Jun-13 21:39pm

VICK

Updated 5-Jun-13 21:48pm

v2

Comments

BHABANI PRASAD DASH 6-Jun-13 3:45am

display none property i think doesnt display eroor.actually ur code is not working properly

VICK 6-Jun-13 7:08am

Because display is set to none so to display the error,, you have to place that validation control under validation summary.. so that it could be called properly.

for reference see the link below,

http://www.w3schools.com/aspnet/control_comparevalidator.asp

BHABANI PRASAD DASH 6-Jun-13 7:13am

i dont have validation summary

VICK 6-Jun-13 7:17am

Just put the following in your design page. validation summary will be called when you will try to redirect from page.. ie.. when u try to click on submit type button to proceed the page. and validation summary will show all the validators from the page on a single page. which is also gud to manage the design.

<asp:ValidationSummary id="valSum" DisplayMode="BulletList" EnableClientScript="true"
HeaderText="Errors occured in the following fields:" runat="server"/>

for further reference see the link below....

http://www.w3schools.com/aspnet/control_validationsummary.asp

BHABANI PRASAD DASH · Answer 3 · 2013-06-05T23:03:00

 lang="xml">DateTime a = DateTime.Parse(txt_enddate.Text);
       DateTime b = DateTime.Parse(install_date.Text);

       if (a > b)
       {
           ScriptManager.RegisterClientScriptBlock(updfee, 
updfee.GetType(), "Hello", 
"alert('installment date should not greater than 
dispatch date');", true);
          // 
Response.Write("<script>alert('installment
 date should not greater than dispatch 
date');</script>");
           install_date.Text = "";
           dispatch_date.Text = "";
       }

_Amy · Answer 4 · 2013-06-05T21:18:00

You can use CompareValidator[^] to compare the date. Try this:

ASP.NET

<asp:CompareValidator Operator="GreaterThan" Type="Date"
    ControlToValidate="TextBox1" ControlToCompare="txt_startdate"
    ErrorMessage="End date should be greater than start date." runat="server" /></asp:CompareValidator>

--Amit

date type validation check

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