Need help to solve the error

119 64KB

Hello all,

I have create one application of RangeValidator Control in asp.net

Here my HTML view :

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<%@ Page Language="VB" AutoEventWireup="false" CodeFile="RangeValidator_Control.aspx.vb" Inherits="RangeValidator_Control" %>
 
<!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>Demo of Range Validator</title>

</head>

<body>

    <form id="form1" runat="server">

    <div>

        <table>

            <tr>

                <td colspan="3">

                    <h2>Demo of RangeValidator</h2>

                </td>

            </tr>
 
            <tr>

                <td>FName</td>
 
                <td>

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

                </td>
 
                <td>&nbsp;</td>

            </tr>
 
            <tr>

                <td>MName</td>
 
                <td>

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

                </td>
 
                <td>

                    <asp:RangeValidator ID="valgMname" runat="server" ErrorMessage="RangeValidator" ControlToValidate="txtMname" MaximumValue="z" MinimumValue="a">Enter valid character</asp:RangeValidator>

                </td>

            </tr>
 
            <tr>

                <td>Age</td>
 
                <td>

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

                </td>
 
                <td>

                    <asp:RangeValidator ID="valgAge" runat="server" ErrorMessage="RangeValidator" ControlToValidate="txtAge" MaximumValue="25" MinimumValue="18" SetFocusOnError="true" Type="Integer">Enter age &gt;18 and &lt;25</asp:RangeValidator>

                </td>

            </tr>
 
            <tr>

                <td>Date of Next Lecture</td>
 
                <td>

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

                </td>
 
                <td>(mm/dd/yy)

                    <asp:RangeValidator ID="valgCal" runat="server" ErrorMessage="RangeValidator" ControlToValidate="txtDONL" SetFocusOnError="true" Type="Date" >Date should be within 5 days</asp:RangeValidator>

                </td>

            </tr>
 
            <tr>

                <td colspan="3">

                    <asp:Button ID="btnSubmit" runat="server" Text="Submit" CausesValidation="true" />

                    <asp:Button ID="btnClear" runat="server" Text="Clear" CausesValidation="false" />

                </td>

            </tr>

        </table>

    </div>

    </form>

</body>

</html>

Here is my Design View

Demo of RangeValidator
FName txtFname
MName txtMname Enter valid character
Age txtAge Enter age >18 and <25
Date of Next Lecture txtDONL (mm/dd/yy)Date should be within 5 days

btnSubmit btnClear

Here is the Coding View

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Partial Class RangeValidator_Control

    Inherits System.Web.UI.Page
 
    Protected Sub btnSubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
 
    End Sub
 
    Protected Sub btnClear_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnClear.Click

        txtFname.Text = ""

        txtMname.Text = ""

        txtAge.Text = ""

        txtDONL.Text = ""

    End Sub
 
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

        If Not Page.IsPostBack Then

            valgCal.MinimumValue = CDate(Now.Date)

            valgCal.MaximumValue = CDate(Now.AddDays(5).Date)

            valgCal.Type = ValidationDataType.Date

        End If

    End Sub

End Class

I have write as above in different views, but there is an error occured.

The error is as following
Error :

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Server Error in '/Assignment1' Application.
 
The value '25-Sep-15' of the MaximumValue property of 'valgCal' cannot be converted to type 'Date'.
 
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 
 
Exception Details: System.Web.HttpException: The value '25-Sep-15' of the MaximumValue property of 'valgCal' cannot be converted to type 'Date'.
 
Source Error: 
 
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
 
Stack Trace: 
 
[HttpException (0x80004005): The value '25-Sep-15' of the MaximumValue property of 'valgCal' cannot be converted to type 'Date'.]

   System.Web.UI.WebControls.RangeValidator.ValidateValues() +1078735

   System.Web.UI.WebControls.RangeValidator.ControlPropertiesValid() +12

   System.Web.UI.WebControls.BaseValidator.get_PropertiesValid() +21

   System.Web.UI.WebControls.BaseValidator.OnPreRender(EventArgs e) +27

   System.Web.UI.Control.PreRenderRecursiveInternal() +80

   System.Web.UI.Control.PreRenderRecursiveInternal() +171

   System.Web.UI.Control.PreRenderRecursiveInternal() +171

   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +842
 
Version Information: Microsoft .NET Framework Version:2.0.50727.6387; ASP.NET Version:2.0.50727.6387

Please help me to solve this error. Which changes I have to do in my code????

Please help me

Sep 20 '15 #1

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1398

Ajay Bhalala

119

64KB

Please anyone suggest me how to solve this error!!!

Sep 28 '15 #2

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