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How to redirect in ASP.NET?

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Last Modified: 2012-05-07


Hello group,

I'm creating a page (using VB.NET) where I need to have a cancel button on page, also, I'm using few RequiredFieldValidator on the page (to validate a form), in the BtnCancel_Click() event I'm redirecting by:

Response.Redirect("index.aspx")


However, as soon as I click cancel button those RequiredFieldValidators print messages on the page and the doesn't redirect user.

Any help is appreciated.

Regards,
ak

Response.Redirect("index.aspx")

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Tapan PattanaikSenior Engineer

Commented:
hi akohan,

                Make " CausesValidationproperty" property  of cancel button to false



CausesValidation="FALSE"

and under CancelButton_Click you have to write

Response.Redirect("index.aspx");

then it will redirect to the user.

Author

Commented:

Thanks to all but  RequiredFieldValidators  has no such a property! I went thru its properties but didn't find it

Any idea?

on btnCancel, it tells it not to run through the validators

Author

Commented:

Ok my bad I found it. As you said I found on Cancel button but then didn't work.

BtnCancel.CausesValidation = False

Author

Commented:

Yes, that is what I did but still it doesn't let me get back to that page and I get validation messages
You're setting the CausesValidation during design time, correct?  It would be too late if you code it during the click event.

Author

Commented:

Right. I made those validation during make the UI. Now what is the solution?
Does this mean ASP.NET has limitations in this case?

Thanks,
ak
Can you post the code you have in BtnCancel.click?

Does you button code declaration look like this:
<asp:Button ID="Button1" runat="server" Text="Button" CausesValidation="False" />
Tapan PattanaikSenior Engineer

Commented:
hi akohan,

                after "CausesValidationproperty" property  of cancel button to false and

under CancelButton_Click event  writing Response.Redirect("index.aspx");

Now your code is working or not?

Author

Commented:

Tapanpattanaik,

That is what I have done but not working yet.

Can you post some code?
Can you put a break on your response.redirect("index.aspx") line and step through the code?
Does it ever hit that line?

Author

Commented:


Sure. here

    Protected Sub BtnCancel_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles BtnCancel.Click
 
        'BtnCancel.CausesValidation = False
 
        Response.Redirect("index.aspx")
 
 
    End Sub
 
 
//Here the html file
 
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Order.aspx.vb" Inherits="Order" %>
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>ICDC Corporate - Office Supplies Order</title>
</head>
<body>
 
 
    <form id="OrderForm" runat="server">
 
 
  <div style="padding-top:10%; padding-left:18%;">
 
  <div style="padding-top:2%; padding-right:10%; padding-left:5%; width:60%; height:50%; border:5px coral groove;" />
 
    <div style="padding-top:5%; padding-left:2%;">
       <asp:Label ID="lblFullName" runat="server" Text="Full Name: "></asp:Label>
       &nbsp;&nbsp;&nbsp;&nbsp;
       <asp:TextBox ID="txtFullName" runat="server" Width="291px" BorderStyle="Outset" 
            MaxLength="100"></asp:TextBox>
        <asp:RequiredFieldValidator ID="rfvFullName" runat="server" 
            ControlToValidate="txtFullName" ErrorMessage="Your Name is Required" 
            Font-Size="9px"></asp:RequiredFieldValidator>
    </div>
    <div style="padding-top:2%; padding-left:2%;">                  
      <asp:Label ID="Label1" runat="server" Text="Deptarment: "></asp:Label>
      &nbsp;&nbsp;
      <asp:DropDownList ID="ddDept" runat="server">
          <asp:ListItem Value="-1">Choose a Department</asp:ListItem>
        </asp:DropDownList>
    </div>
 
    <!-- Details -->
    <div style="padding-top:2%; padding-left:2%;">
    <asp:Label ID="lblProductSku" runat="server" Text="Product SKU: "></asp:Label>
    <asp:TextBox ID="txtProduct" runat="server" Width="215px" BorderStyle="Outset" 
            MaxLength="10"></asp:TextBox>
    <asp:LinkButton ID="lbLookUpLinkButton" runat="server" Font-Size="Smaller"> Lookup Item </asp:LinkButton>
        <asp:RequiredFieldValidator ID="rfvProductNumber" runat="server" 
            ControlToValidate="txtProduct" 
            ErrorMessage="&amp;nbsp;&amp;nbsp;&amp;nbsp; Product No. is Required" 
            Font-Size="9px"></asp:RequiredFieldValidator>
    </div>
    
    <div style="padding-top:2%; padding-left:2%;">
    <asp:Label ID="lblProductDescription" runat="server" Text="Description: "></asp:Label>
    &nbsp;&nbsp;&nbsp;
    <asp:TextBox ID="txtProductDescription" runat="server" Width="291px" 
            BorderStyle="Outset" MaxLength="50"></asp:TextBox>
        <asp:RequiredFieldValidator ID="rfvDescription" runat="server" 
            ControlToValidate="txtProductDescription" 
            ErrorMessage="Product Description is Missing" Font-Size="9px"></asp:RequiredFieldValidator>
    </div>
    
    <div style="padding-top:2%; padding-left:2%;">
    <asp:Label ID="Label2" runat="server" Text="Qty: "></asp:Label>
    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
    <asp:TextBox ID="txtQty" runat="server" Width="55px" BorderStyle="Outset" 
            MaxLength="3"></asp:TextBox>
 
        <asp:RequiredFieldValidator ID="rfvQty" runat="server" 
            ControlToValidate="txtQty" ErrorMessage="Invalid Number" Font-Size="9px"></asp:RequiredFieldValidator>
 
    </div>
    
    <div align="right" 
          style="padding-top:7%; padding-right:1%; padding-bottom:2%; width: 665px;">
        <asp:Button  ID="BtnCancel" runat="server" Text="Cancel"  />
        <asp:Button  ID="BtnSubmit" runat="server" Text="Submit Order" />
    </div>
            
 
    </div >
    
    
    
    </form>
        
    
    
</body>
</html>

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Tapan PattanaikSenior Engineer

Commented:
please post your code.

Thanks.
I don't see where you have set the CausesValidation property of BtnCancel to False

should be like this:
<asp:Button  ID="BtnCancel" runat="server" Text="Cancel"  CausesValidation="False" />
Tapan PattanaikSenior Engineer

Commented:
hi akohan

               Check these code and  post your comment.

Thanks
    Protected Sub BtnCancel_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles BtnCancel.Click
  
        Response.Redirect("index.aspx")
 
 
    End Sub
 
--------------------------------------------------
 
//Here the html file
 
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Order.aspx.vb" Inherits="Order" %>
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>ICDC Corporate - Office Supplies Order</title>
</head>
<body>
 
 
    <form id="OrderForm" runat="server">
 
 
  <div style="padding-top:10%; padding-left:18%;">
 
  <div style="padding-top:2%; padding-right:10%; padding-left:5%; width:60%; height:50%; border:5px coral groove;" />
 
    <div style="padding-top:5%; padding-left:2%;">
       <asp:Label ID="lblFullName" runat="server" Text="Full Name: "></asp:Label>
           
       <asp:TextBox ID="txtFullName" runat="server" Width="291px" BorderStyle="Outset" 
            MaxLength="100"></asp:TextBox>
        <asp:RequiredFieldValidator ID="rfvFullName" runat="server" 
            ControlToValidate="txtFullName" ErrorMessage="Your Name is Required" 
            Font-Size="9px"></asp:RequiredFieldValidator>
    </div>
    <div style="padding-top:2%; padding-left:2%;">                  
      <asp:Label ID="Label1" runat="server" Text="Deptarment: "></asp:Label>
        
      <asp:DropDownList ID="ddDept" runat="server">
          <asp:ListItem Value="-1">Choose a Department</asp:ListItem>
        </asp:DropDownList>
    </div>
 
    <!-- Details -->
    <div style="padding-top:2%; padding-left:2%;">
    <asp:Label ID="lblProductSku" runat="server" Text="Product SKU: "></asp:Label>
    <asp:TextBox ID="txtProduct" runat="server" Width="215px" BorderStyle="Outset" 
            MaxLength="10"></asp:TextBox>
    <asp:LinkButton ID="lbLookUpLinkButton" runat="server" Font-Size="Smaller"> Lookup Item </asp:LinkButton>
        <asp:RequiredFieldValidator ID="rfvProductNumber" runat="server" 
            ControlToValidate="txtProduct" 
            ErrorMessage="&amp;nbsp;&amp;nbsp;&amp;nbsp; Product No. is Required" 
            Font-Size="9px"></asp:RequiredFieldValidator>
    </div>
    
    <div style="padding-top:2%; padding-left:2%;">
    <asp:Label ID="lblProductDescription" runat="server" Text="Description: "></asp:Label>
       
    <asp:TextBox ID="txtProductDescription" runat="server" Width="291px" 
            BorderStyle="Outset" MaxLength="50"></asp:TextBox>
        <asp:RequiredFieldValidator ID="rfvDescription" runat="server" 
            ControlToValidate="txtProductDescription" 
            ErrorMessage="Product Description is Missing" Font-Size="9px"></asp:RequiredFieldValidator>
    </div>
    
    <div style="padding-top:2%; padding-left:2%;">
    <asp:Label ID="Label2" runat="server" Text="Qty: "></asp:Label>
                  
    <asp:TextBox ID="txtQty" runat="server" Width="55px" BorderStyle="Outset" 
            MaxLength="3"></asp:TextBox>
 
        <asp:RequiredFieldValidator ID="rfvQty" runat="server" 
            ControlToValidate="txtQty" ErrorMessage="Invalid Number" Font-Size="9px"></asp:RequiredFieldValidator>
 
    </div>
    
    <div align="right" 
          style="padding-top:7%; padding-right:1%; padding-bottom:2%; width: 665px;">
        <asp:Button  ID="BtnCancel" runat="server" CausesValidation="False" Text="Cancel"  />
        <asp:Button  ID="BtnSubmit" runat="server" Text="Submit Order" />
    </div>
            
 
    </div >
    
    
    
    </form>
        
    
    
</body>
</html>

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Author

Commented:

UnifiedIS,

I had used in VB code not in HTML section as:

BtnCancel.CausesValidation = FALSE

but I guess it was wrong. I will use your code and will get back to you soon.

Thanks,
ak

Author

Commented:

Tapanpattanaik,

Thanks I will get back to you as soon as I get to my machine.

Thanks,
ak
Tapan PattanaikSenior Engineer

Commented:
hi akohan,

           modify your code in your source page/html page.

<asp:Button  ID="BtnCancel" runat="server" CausesValidation="False" Text="Cancel"  />



-------------------------------------
and  modify this code in your code behind page.

Protected Sub BtnCancel_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles BtnCancel.Click
 
        Response.Redirect("index.aspx")
 
 
    End Sub


please check my just previous post .


There's not any reason to do it at run time, you're not ever going to change it.  Just set the property during design time in the BtnCancel properties window.  Let the IDE write the code!

Author

Commented:

Thank you and all others.
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