Forms Data Controls :: Validating TextBox Data Against Multiple Types Of Data
Dec 22, 2010
I m Using a GridView: Columns: "Ser_type" tells what type of data is it i.e. VC for Varchar, NU for Numeric, DT for DateTime etc, for the time being i m using datavalidation controlls at design time. this is not a good approach. I just wan to do is that, DataValidationControlls should be created at RunTime and TextBox should validate data at runtime only. i.e. if Data required in the TextBox is of Type VC then it should validate only at runtime, if DT then validate DateTime only at Runtime similarly for all dataType:
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server" >
</asp:ScriptManager>
<div>
<div>
<asp:Panel ID="Panel1" runat="server" Height="150px" Style="left: 0px; position: relative;
top: 0px" Width="970px">
<asp:Image ID="Image1" runat="server" ImageUrl="~/Images/Home.jpg" Style="position: relative" /></asp:Panel>
</div>
<div>
<asp:Panel ID="Panel2" runat="server" BackColor="PaleTurquoise" Height="350px" Style="left: 0px;
position: relative; top: 0px" Width="970px">
<asp:Label ID="lbl_Home" runat="server" Font-Bold="True" Font-Size="XX-Large" ForeColor="#404040"
Style="position: relative" Text="Welcome to AutoSoft Dynamics" Width="700px"></asp:Label> <br />
<table style="left: 0px; position: relative; top: 0px">
<tr>
<td colspan="2" style="height: 21px">
<asp:Label ID="lbl_messege" runat="server" Style="position: relative" Font-Bold="True" Font-Size="16pt" ForeColor="#0000C0" Width="100%"></asp:Label></td>
</tr>
<tr>
<td colspan="2">
<asp:Label ID="lblExpMessage" runat="server" Style="position: relative" Width="100%" Font-Bold="False" Font-Size="12pt" ForeColor="Red"></asp:Label></td>
</tr>
<tr>
<td style="width: 464px">
<asp:Button ID="Button1" runat="server" Style="position: relative" Text="Button" />
<asp:Button ID="Button2" runat="server" PostBackUrl="~/EmpDetails.aspx" Style="position: relative"
Text="Go to Details Page" /></td>
<td style="width: 162px">
</td>
</tr>
</table>
<br />
</asp:Panel>
<asp:Panel ID="Panel3" runat="server" BackImageUrl="~/Images/Footer.bmp" Height="50px"
Style="left: 0px; position: relative; top: 0px" Width="970px">
</asp:Panel>
<br />
<cc1:ModalPopupExtender ID="ModalPopupExtender1" runat="server"
BackgroundCssClass="modalBackground"
PopupControlID="Panel_Popup"
CancelControlID="btnRemindLater"
TargetControlID="Button1" >
</cc1:ModalPopupExtender>
<asp:Panel ID="Panel_Popup" runat="server" Width="540px" HorizontalAlign="Center" >
<br />
<table width="100%" style="left: 0px; position: relative; top: 0px; background-color: inactivecaptiontext">
<tr>
<td colspan="4">
<asp:Label ID="lbl_Title" runat="server" BackColor="Desktop" Font-Bold="True" ForeColor="White"
Height="28px" Style="font-weight: bold; font-size: 15pt; vertical-align: middle;
position: relative; text-align: center" Width="100%"></asp:Label></td>
</tr>
<tr>
<td style="width: 11px">
</td>
<td style="width: 583px">
<asp:GridView ID="GridView_Popup" runat="Server" AutoGenerateColumns="False" BorderColor="Navy"
BorderStyle="Solid" BorderWidth="2px" CellPadding="3" DataKeyNames="ser_no" EmptyDataText="No recored found"
Font-Bold="False" ForeColor="Black" GridLines="Horizontal" HorizontalAlign="Left"
OnRowDataBound="GridView_Popup_RowDataBound" Style="position: relative">
<EmptyDataRowStyle BorderColor="Navy" BorderWidth="2px" />
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:Label ID="lbl_ser_no" runat="server" Font-Size="1pt"
Text='<%# Bind("ser_no") %>' ForeColor="ActiveCaptionText" >
</asp:Label>
</ItemTemplate>
<HeaderStyle BackColor="GradientInactiveCaption" />
<ItemStyle HorizontalAlign="Left" Width="5px" ForeColor="ActiveCaptionText" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Description">
<ItemTemplate>
<asp:Label ID="lbl_description" runat="server" Font-Size="Small" Text='<%# Bind("description") %>'
Width="110px">
</asp:Label>
</ItemTemplate>
<HeaderStyle BackColor="GradientInactiveCaption" Font-Bold="True" Font-Size="Small"
ForeColor="White" HorizontalAlign="Left" />
<ItemStyle HorizontalAlign="Left" VerticalAlign="Top" Width="110px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Declared Value">
<ItemTemplate>
<asp:TextBox ID="txt_DeclaredValue" runat="server" CausesValidation="True" Font-Size="Small"
Text='<%# Eval("declared_value") %>' ToolTip='<%# Eval("ser_help") %>' Width="205px" MaxLength="50"></asp:TextBox>
</ItemTemplate>
<HeaderStyle BackColor="GradientInactiveCaption" Font-Bold="True" Font-Size="Small"
ForeColor="White" HorizontalAlign="Left" />
<ItemStyle HorizontalAlign="Left" VerticalAlign="Top" Width="205px" />
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:Label ID="lbl_Mandatory" runat="server" Font-Size=".5pt" ForeColor="inactivecaptiontext"
Text='<%# Bind("mandatory") %>' Width="15px"></asp:Label>
</ItemTemplate>
<HeaderStyle BackColor="GradientInactiveCaption" Font-Size="Small" />
<ItemStyle HorizontalAlign="Left" VerticalAlign="Top" Width="15px" />
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:Label ID="lbl_ser_type" runat="server" Font-Size=".5pt" ForeColor="inactivecaptiontext"
Text='<%# Bind("ser_type") %>' Width="15px"></asp:Label>
</ItemTemplate>
<HeaderStyle BackColor="GradientInactiveCaption" />
<ItemStyle HorizontalAlign="Left" VerticalAlign="Top" Width="15px" />
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:RequiredFieldValidator ID="rfv_declaredVal" runat="server" ControlToValidate="txt_DeclaredValue"
ErrorMessage="*" >
</asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="rfv_num" runat="server"
ControlToValidate="txt_DeclaredValue" Display="Dynamic" Enabled="false" ErrorMessage="Only (0-9)"
ValidationExpression="^[0-9]*$" Font-Size="10pt" >
</asp:RegularExpressionValidator>
<asp:RegularExpressionValidator ID="rfv_NonNumeric" runat="server" ControlToValidate="txt_DeclaredValue"
Enabled="false" ErrorMessage="Only (a-z/A-Z)" ValidationExpression="^[a-zA-Z'.s]{1,40}$" Font-Size="10pt" >
</asp:RegularExpressionValidator >
<asp:CompareValidator ID="cv_txtDate" runat="server"
ControlToValidate="txt_DeclaredValue" ErrorMessage="dd/MM/yyyy only"
Operator="DataTypeCheck" Type="Date" Font-Size="10pt" >
</asp:CompareValidator>
<asp:RegularExpressionValidator ID="rev_Decimal" runat="server" ErrorMessage="Only Decimal"
ControlToValidate="txt_DeclaredValue" Style="position: relative" Font-Size="10pt"
ValidationExpression="(?!^0*$)(?!^0*.0*$)^d{1,18}(.d{1,2})?$" />
</ItemTemplate>
<HeaderStyle BackColor="GradientInactiveCaption" />
<ItemStyle HorizontalAlign="Left" VerticalAlign="Top" />
</asp:TemplateField>
</Columns>
<HeaderStyle BorderColor="Navy" BorderStyle="Solid" BorderWidth="1px" ForeColor="#0000C0"
Height="25px" HorizontalAlign="Left" VerticalAlign="Middle" />
</asp:GridView>
</td>
<td style="width: 10px">
</td>
</tr>
<tr>
<td style="width: 11px; height: 26px">
</td>
<td style="width: 583px; height: 26px">
<table style="left: 0px; width: 100%; position: relative; top: 0px">
<tr>
<td style="width: 63px; height: 26px">
<asp:Button ID="btnSubmit" runat="server" Style="left: 0px;
position: relative; top: 0px" Text="Submit" OnClick="btnSubmit_Click1" />
</td>
<td style="width: 100px; height: 26px">
<asp:Button ID="btnRemindLater" runat="server" OnClientClick="winclose()"
Style="left: 0px; position: relative" Text="Remind Me Later" UseSubmitBehavior="False"
Width="120px" />
</td>
<td style="vertical-align: middle; width: 304px; height: 26px; text-align: right">
<asp:Label ID="lbl_LastDatePopup" runat="server" Font-Bold="False" Font-Size="Small"
ForeColor="Red" Style="position: relative" Width="100%"></asp:Label></td>
</tr>
</table>
<asp:Label ID="Label1" runat="server" BackColor="InactiveCaptionText" Style="position: relative">
</asp:Label><asp:ValidationSummary ID="ValidationSummary1" runat="server" HeaderText="Please correct the mandatory fields labeled with * "
Height="1px" ShowMessageBox="True" ShowSummary="False" Style="position: relative" />
</td>
<td style="width: 10px; height: 26px">
</td>
</tr>
</table>
<br />
</asp:Panel>
</div>
</div>
</form>
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<%@ Page Title="" Language="vb" AutoEventWireup="false" MasterPageFile="~/main.Master"
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<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="server">
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<asp:Button ID="btnAdd" runat="server" Text="Add" />
<asp:Panel ID="pnlAdd" runat="server" CssClass="modalPopup">
<asp:UpdatePanel ID="upAdd" runat="server" UpdateMode="Conditional">
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sdfsdfsdfsdfsdf
<asp:FormView ID="FormView1" runat="server" DataSourceID="odSrcHospital" DefaultMode="Insert">
<InsertItemTemplate>
<table>
<tr>
<td>
taxid
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<asp:RequiredFieldValidator ID="rfvTaxID" runat="server" ControlToValidate="tbxTaxID"
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<tr>
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<td>
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<tr>
<td>
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<td>
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<br />
<asp:Button ID="btnOk" runat="server" Text="Ok" />
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<InsertParameters>
<asp:FormParameter FormField="tbxTaxID" Name="nTaxID" Direction="Input" />
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<asp:FormParameter FormField="tbxCity" Name="sCity" Direction="Input" Type="String" />
<asp:FormParameter FormField="tbxState" Name="sState" Direction="Input" Type="String" />
<asp:FormParameter FormField="tbxZip" Name="sZip" Direction="Input" Type="String" />
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<UpdateParameters>
<asp:Parameter Name="nTaxID" Type="Int32" />
<asp:Parameter Name="sHospitalName" Type="String" />
<asp:Parameter Name="sAddress1" Type="String" />
<asp:Parameter Name="sAddress2" Type="String" />
<asp:Parameter Name="sCity" Type="String" />
<asp:Parameter Name="sState" Type="String" />
<asp:Parameter Name="sZip" Type="String" />
</UpdateParameters>
</asp:ObjectDataSource>
</asp:Content>
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Apr 11, 2010
I have the following piece of code which I was hoping would result in an error message being displayed if an incorrect date format was input rather than an website error page saying "The string was not recognized as a valid DateTime."
<asp:TemplateField HeaderText="DateCompleted" SortExpression="DateCompleted"> <EditItemTemplate> <asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("DateCompleted") %>'> </asp:TextBox> <asp:CompareValidator ID="CompareValidator" ValidationGroup="GridView1" ControlToValidate="TextBox2" errormessage="Invalid Date" Display="Dynamic" Operator="DataTypeCheck" Type="Date" runat="Server" /> </EditItemTemplate> <ItemTemplate> <asp:Label ID="Label2" runat="server" Text='<%# Bind("DateCompleted") %>'></asp:Label> </ItemTemplate> </asp:TemplateField>
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Feb 8, 2010
I have two dropdowns in the footertemplate of my gridview inside a usercontrol.
I also have a button "btnADD" inside the footer template. I am using the footertemplate to add a new row to the grid.
What do I do to validate on Button_click event for 'btnAdd' if a value is selected in the dropdown other than "select.." which I dynamically add in rowdatabound event?
I have this javascript function that I wanted to implement, but it gets called in the Page_load event rather than the button click event and gives an error.
The javascript function that I need to call is this: ( I created a method to return a string to use it in regards to RegisterClientScriptBlock, but do not know exactly how to use it)
rotected string BuildValidation()
{
StringBuilder sb = new StringBuilder();
sb.Append("<script type='text/javascript'>");
sb.Append("function ValidateWComp() {");
[Code]....
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Sep 9, 2010
Object cannot be cast from DBNull to other types. 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.InvalidCastException: Object cannot be cast from DBNull to other types. Source Error:
[Code]....
Line 292:
Line 293: If DataBinder.Eval(e.Row.DataItem, "Casette") IsNot Nothing Then
Line 294: stcassette += Convert.ToDecimal(DataBinder.Eval(e.Row.DataItem, "Casette"))
Line 295: End If
Line 296:
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Mar 10, 2010
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Object cannot be cast from DBNull to other types.
Following code is written under GridView RowDataBound Event.
[Code]....
The error found at following line:
less7daysTotal += Convert.ToInt32(DataBinder.Eval(e.Row.DataItem, "less7days"))
If I comment this line then the error moves to next line till following line.
grt28daysTotal += Convert.ToInt32(DataBinder.Eval(e.Row.DataItem, "grt28days"))
I fruther want to inform that some columns in the grid are showing 0 if there is no record but I replaced 0 to - then some 0s replaced and some not. What is the reason?
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Jul 8, 2010
I have a Gridview and a UserControl on the same page. How do I prevent update button on the gridview from validating Usercontrol.
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Jun 16, 2015
I am developing a message pool means like a Facebook when we click on above message icon all message show in list .then click on the sender name all message show that person. For
That kind of message poll am developed two pages one page is sender and the other one is receiver .when I send message from sender page it will be saved into data base and show into other pages text box.
Now problem is that the receiver pages cannot show all messages .it will show one first message which are saved into database.
I want it will show all messages which are sending from sender page. below my all code.
WebForm1.aspx.css
using System;
using System.Collections.Generic;
using System.Linq;
[Code].....
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Nov 21, 2010
I have a listview in which I have a dropdownlist that will be repeated about 8 times. In the itemdatabound event of this listview, I fill the dropdownlist of that particular row with data. I obtain this data by using a linq query. It gets me an anonymous type in return:
[Code]....
The problem with this code is that I fire a query to the database everytime the itemdataboundevent is called. What I want to do is to fire the query only once, and have it available at page scope so I can reference it in the itemdatabound event. How can I get it like that?
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