Please help i wanted to use this code to validate marks enter and also to tick the value enter using java but i have not been successful please help.
i wanted upon entering a score the checkbox is ticked using this very code
Code:
function GetSelectedRow(UserLink) {
var row = UserLink.parentNode.parentNode;
var rowIndex = row.rowIndex - 1;
var userId = row.cells[0].innerHTML;
var lable = row.getElementsByTagName("input")[2].value;
if (lable == null || lable == "") {
row.getElementsByTagName("input")[8].value = "d";
return true;
}
else
row.getElementsByTagName("input")[8].value = "";
if (lable >= 0 && lable <= 100) {
return true;
}
else {
alert("Must be between 1 and 100");
return false;
}
}
iam getting error at line 4
Code:
var userId = row.cells[0].innerHTML;
it flags error
Unable to get property '0' of undefined or null reference
Code:
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="Classinterview.aspx.vb" Inherits="INTERVIEWSVB.Classinterview" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>
<!DOCTYPE html>
<script src="../Scripts/Validate200.js"></script>
<script src="../Scripts/arrowkeysenable.js"></script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
.newStyle1 {
color: #A0A0A0;
}
.auto-style1 {
width: 117px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<table class="newStyle1">
<tr>
<td><strong>Class</strong></td>
<td>
<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True">
<asp:ListItem>P1</asp:ListItem>
<asp:ListItem>P2</asp:ListItem>
<asp:ListItem>P3</asp:ListItem>
<asp:ListItem>P4</asp:ListItem>
<asp:ListItem>P5</asp:ListItem>
<asp:ListItem>P6</asp:ListItem>
<asp:ListItem>P7</asp:ListItem>
</asp:DropDownList>
</td>
<td colspan="2"><strong>Stream </strong>
<asp:DropDownList ID="DropDownList3" runat="server" AutoPostBack="True">
<asp:ListItem>NONE</asp:ListItem>
<asp:ListItem>A</asp:ListItem>
<asp:ListItem>B</asp:ListItem>
<asp:ListItem>C</asp:ListItem>
<asp:ListItem>D</asp:ListItem>
<asp:ListItem>E</asp:ListItem>
<asp:ListItem>F</asp:ListItem>
<asp:ListItem>G</asp:ListItem>
<asp:ListItem>H</asp:ListItem>
<asp:ListItem>J</asp:ListItem>
<asp:ListItem>K</asp:ListItem>
</asp:DropDownList>
<asp:Label ID="Label2" runat="server" Text="Label"></asp:Label>
</td>
</tr>
<tr>
<td><strong>Intake </strong></td>
<td>
<asp:DropDownList ID="DropDownList2" runat="server" AutoPostBack="True" DataSourceID="SqlDataSource1" DataTextField="intake" DataValueField="intake">
</asp:DropDownList>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:INTERVIEWSConnectionString %>" SelectCommand="SELECT [intake] FROM [Intakes]"></asp:SqlDataSource>
</td>
<td>
<asp:Button ID="Button1" runat="server" Text="Submit Class" />
</td>
<td class="auto-style1">
<asp:Button ID="Button2" runat="server" Text="Save Record" />
</td>
</tr>
</table>
<div>
<asp:GridView ID="GvStudentMarks" runat="server" AutoGenerateColumns="False" OnRowDataBound="gvStudentMarks_RowDataBound">
<Columns>
<asp:TemplateField>
<HeaderTemplate>
<asp:CheckBox ID = "chkAll" runat="server" AutoPostBack="true" />
</HeaderTemplate>
<ItemTemplate>
<asp:CheckBox ID="CheckBox1" runat="server" AutoPostBack="true" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Account">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("Account") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("Account") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Name">
<EditItemTemplate>
<asp:TextBox ID="TextBox2" runat="server" Text='<%# Bind("Name") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label3" runat="server" Text='<%# Bind("Name") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Category">
<EditItemTemplate>
<asp:TextBox ID="TextBox3" runat="server" Text='<%# Bind("Category") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label4" runat="server" Text='<%# Bind("Category") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Stream">
<EditItemTemplate>
<asp:TextBox ID="TextBox4" runat="server" Text='<%# Bind("Stream") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label5" runat="server" Text='<%# Bind("Stream") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Eng">
<ItemTemplate>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Label ID="lblEng" runat="server" Text='<%# Eval("Eng") %>' Visible="False"></asp:Label>
<asp:TextBox ID="TxtEng" runat="server" OnTextChanged="txtEng_TextChanged" Text='<%# Eval("Eng") %>' onkeyup="enter(this)" AutoPostBack="True" Height="16px" Width="58px" onchange="return GetSelectedRow(this)" ></asp:TextBox>
<asp:RangeValidator ID="RangeValidator1" runat="server" BackColor="#FF99FF" ControlToValidate="TxtEng" Display="Dynamic" ErrorMessage="Invalid" MaximumValue="100" MinimumValue="0" SetFocusOnError="True" Type="Double"></asp:RangeValidator>
</ContentTemplate>
</asp:UpdatePanel>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Maths">
<ItemTemplate>
<asp:UpdatePanel ID="UpdatePanel2" runat="server">
<ContentTemplate>
<asp:Label ID="lblMaths" runat="server" Text='<%# Eval("Maths") %>' Visible="False"></asp:Label>
<asp:TextBox ID="TxtMaths" runat="server" OnTextChanged="txtMaths_TextChanged" Text='<%# Eval("Maths") %>' onkeyup="enter(this)" AutoPostBack="True" Width="48px" onchange="return GetSelectedRow(this)"></asp:TextBox>
<asp:RangeValidator ID="RangeValidator2" runat="server" BackColor="#FF99FF" ControlToValidate="TxtMaths" Display="Dynamic" ErrorMessage="Invalid" MaximumValue="100" MinimumValue="0" SetFocusOnError="True" Type="Double"></asp:RangeValidator>
</ContentTemplate>
</asp:UpdatePanel>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="TotalMarks">
<ItemTemplate>
<asp:Label ID="lblTotalMarks" runat="server" Text='<%# Eval("avgs") %>' Visible="False"></asp:Label>
<asp:TextBox ID="txtTotalmarks" runat="server" Text='<%# Eval("Avgs") %>'></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Average">
<ItemTemplate>
<asp:TextBox ID="txtAverage" runat="server" Text='<%# Eval("Avgs2") %>'></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField HeaderText="Sst" DataField="Sst" />
<asp:BoundField DataField="Science" HeaderText="Science" />
<asp:TemplateField HeaderText="Entered Date">
<EditItemTemplate>
<asp:TextBox ID="Entrydate" runat="server" Text='<%# Bind("emarksdate") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("emarksdate") %>'></asp:Label>
<asp:TextBox ID="Entrydates" runat="server" Text='<%# Eval("emarksdate") %>'></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="False">
</asp:ScriptManager>
</div>
</form>
</body>
</html>