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01.31.2008 at 06:32PM PST, ID: 23128586
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Help with Calculating the date

Asked by rajeshsachdeva in C# Programming Language, .NET, Programming for ASP.NET

Tags: , , , ,

Hi
I need help calculating the end date based on the number of weeks entered. I am using datagrid.Please see the code below:


I am keep getting error. Also, I am not so sure whether shud I do this on the client side or do it in the code behind. Any help is appreicated.

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<asp:TemplateColumn HeaderText="Start Date">
						    <ItemTemplate>
					        <peterCC:DateTextBox ID="txtDateStart" runat="server" xEnableContextMenuB="False" Width="75px" >
                                    <xPopupCalendar xToggleImageUrl="PetersDatePackage/Appearance/Calendar.jpg" > </xPopupCalendar>
                            </peterCC:DateTextBox>
                       	    </ItemTemplate>
                            <ItemStyle Width="75px" />
                            <HeaderStyle Width="75px" />
					    </asp:TemplateColumn>
					    <asp:TemplateColumn HeaderText="# Weeks">
						    <ItemTemplate>
						        <asp:TextBox ID="txNoWeeks" runat="server" Text="" Width="30px" MaxLength="4" AutoPostBack="true" 
						        OnTextChanged="TextBox_Changed"  ></asp:TextBox>
					   	    </ItemTemplate>
                            <ItemStyle Width="75px" />
                            <HeaderStyle Width="75px" />
					    </asp:TemplateColumn>
					    <asp:TemplateColumn HeaderText="End Date">
						    <ItemTemplate>
					        <peterCC:DateTextBox ID="txtDateEnd" runat="server" xEnableContextMenuB="False" Width="75px" >
                                    <xPopupCalendar xToggleImageUrl="PetersDatePackage/Appearance/calendar.jpg" > </xPopupCalendar>
                            </peterCC:DateTextBox>
                    	    </ItemTemplate>
                            <ItemStyle Width="75px" />
                            <HeaderStyle Width="75px" />
					    </asp:TemplateColumn>
 
 
 
 
 
 
In my code behind I am doing the following:
 
protected void TextBox_Changed(object sender, EventArgs e)
    {
        int intWeeks = 0;
         
        foreach (DataGridItem item in dgPhaseDisplay.Items)
        {
            TextBox txtWeeks = (TextBox)item.FindControl("txNoWeeks");
            DateTime txtEndDate = (DateTime)item.FindControl("txtDateEnd");
            DateTime txtStartDate = (DateTime)item.FindControl("txtDateStart");
 
            if (intWeeks < 0)
            {
                SetValidationErrorMessage("Please enter the numeric value in the number of weeks.");
            }
            else
            {
                int intNumDays = 0;
                intNumDays = Convert.ToInt32(txtWeeks) * 7;
                txtEndDate = Convert.ToDateTime(txtStartDate).AddDays(14).ToString("d"); 
 
            }
        }    
         
    }
[+][-]02.01.2008 at 10:44AM PST, ID: 20799293

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[+][-]02.03.2008 at 02:10PM PST, ID: 20810637

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[+][-]02.03.2008 at 02:17PM PST, ID: 20810669

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[+][-]02.03.2008 at 02:19PM PST, ID: 20810676

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[+][-]02.03.2008 at 02:22PM PST, ID: 20810689

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[+][-]02.03.2008 at 02:29PM PST, ID: 20810723

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About this solution

Zones: C# Programming Language, .NET, Programming for ASP.NET
Tags: DataGrid, Studio 2005, Date Calculation, C#, IE
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Solution Provided By: JimBrandley
Participating Experts: 4
Solution Grade: B
 
 
[+][-]02.04.2008 at 03:56AM PST, ID: 20813550

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[+][-]02.04.2008 at 04:39AM PST, ID: 20813760

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[+][-]02.04.2008 at 05:31AM PST, ID: 20814057

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[+][-]02.04.2008 at 06:29AM PST, ID: 20814578

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[+][-]02.04.2008 at 06:31AM PST, ID: 20814592

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[+][-]02.04.2008 at 06:32AM PST, ID: 20814598

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[+][-]02.04.2008 at 06:52PM PST, ID: 20820247

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