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Unhandled exception at line 79, column 1 in http://localhost:49456/about_us.aspx?_TSM_HiddenField_=ToolkitScriptManager_HiddenField&_TSM_CombinedScripts_=;;AjaxControlToolkit,+Version=1.0.20229.20821,+Culture=neutral,+PublicKeyToken=28f01b0e84b6d53e:en-US:c5c982cc-4942-4683-9b48-c2c58277700f:e2e86ef9:9ea3f0e2:9e8e87e9:1df13a87:4c9865be:ba594826:757f92c2
0x800a139e - JavaScript runtime error: Sys.ArgumentNullException: Value cannot be null.
above error occured for the following code
<td style="text-align:left" class="content">
<asp:TextBox ID="txtName" Width="225px" AutoPostBack ="true" runat="server"
ValidationGroup="valEnquiry" CausesValidation="True" TabIndex="1"></asp:TextBox>
<br />
<asp:RequiredFieldValidator ID="RFName" runat="server" ValidationGroup="valEnquiry" ControlToValidate="txtName" ErrorMessage="Please Enter Your Name" ForeColor="Red"></asp:RequiredFieldValidator>
<cc1:ValidatorCalloutExtender
ID="val_reqDTT"
runat="server"
TargetControlID="RFName">
</cc1:ValidatorCalloutExtender>
</td>
Have A Nice Day!
Murali.M
Blog
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The message is telling you where the error occurs, and what type of error it was. However we cannot guess what your Javascript code is trying to do.
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hi Richard thanks for your reply.
But there is no javascript code in the pages.
Have A Nice Day!
Murali.M
Blog
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Then it must be in the Ajax code. You need to use your debugger to find out what value is missing, presumably the name field.
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Thanks Richard. Thanks for your effort.
Need to add the following tag in web.config file for .Net Framework 4.5
<appSettings>
<add key="ValidationSettings:UnobtrusiveValidationMode" value="None">
</appSettings>
Have A Nice Day!
Murali.M
Blog
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guys;
i have 2 request the first is post used to add cookies to response the other is a get request caused by Request.Redirect() call in the first one's server side.
my expectation is to find the added cookies in the second's request cookies, but what really happens is that the added cookies disappear.
please help me with this as i am stuck.
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You should post the relevant code.
There are only 10 types of people in the world, those who understand binary and those who don't.
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Sir;
Thank you for trying to help.
The reason for cookies disappearing was, that I was mistakenly assigning a domain for the response cookies in the post request other than the actual domain, so they wont appear in the redirect request.
Help people,so poeple can help you.
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I need to compare 2 tables to find (List) the difference. How would I do this?
modified 18-Aug-14 13:46pm.
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Sql tables? DataTables? Difference in columns? Difference in data? Need a lot more information.
There are only 10 types of people in the world, those who understand binary and those who don't.
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class Program
{
static void CompareList<T>(List<T> a, List<T> b, ref List<T> diff)
{
foreach(T item in a)
{
if(!b.Contains(item))
{
if(diff.Count == 0)
{
diff.Add(item);
}
else if(!diff.Contains(item))
{
diff.Add(item);
}
}
}
}
static void ListDifference<T>(List<T> a, List<T> b, ref List<T> diff)
{
CompareList(a,b,ref diff);
CompareList(b,a,ref diff);
diff.Sort();
}
static void Main(string[] args)
{
List<int> a = new List<int>{1,2,3,4,5,6,7};
List<int> b = new List<int>{4,6,7,8,9,10};
List<int> diff = new List<int>();
List<string> c = new List<string>{"a", "b", "c", "d","e", "f", "t", "U"};
List<string> d = new List<string>{"b","e","f","g","h"};
List<string> diff2 = new List<string>();
ListDifference(a,b, ref diff);
ListDifference(c, d, ref diff2);
Console.WriteLine("-- Result of CompareLists for Int");
foreach(int i in diff)
{
Console.WriteLine(i.ToString());
}
Console.WriteLine();
Console.WriteLine("Results for CompareLists for strings");
foreach(string s in diff2)
{
Console.WriteLine(s);
}
Console.Read();
}
}
I don't speak Idiot - please talk slowly and clearly
"I have sexdaily. I mean dyslexia. Fcuk!"
Driven to the arms of Heineken by the wife
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Hi,
I want to download multiple pdf files in a single button click. I am using an open source dll, Ionic.Zip.Reduced.dll.
All code runs with out showing any errors or exceptions. By using Response.End(), I am getting a response in firefox's firebug window but when I use it in my application it throws an exception and not showing any download dialogue box. So, I had changed it to HttpContext.Current.ApplicationInstance.CompleteRequest();. Now the exception is gone, but I am not getting any response and dialogue window to download. When I debugged, I found something like this
:ClientDisconnectedToken = 'context.Response.ClientDisconnectedToken' threw an exception of type 'System.PlatformNotSupportedException'
:base {System.NotSupportedException} = {"This operation requires IIS version 7.5 or higher running in integrated pipeline mode."}
What is the real problem here, I could download files in zip by using the same code for a new project.
Please help me to sort this out. Here is my code:
System.Web.HttpContext context = System.Web.HttpContext.Current;
using (ZipFile zip = new ZipFile())
{
zip.AlternateEncodingUsage = ZipOption.AsNecessary;
zip.AddDirectoryByName("PDFs");
foreach (string item in FilePaths)
{
zip.AddFile(item.ToString(), "/PDFs/");
}
context.Response.Clear();
context.Response.BufferOutput = false;
//context.Response.Buffer = true;
context.Response.ClearHeaders();
context.Response.ClearContent();
string zipName = String.Format("Zip_{0}.zip", DateTime.Now.ToString("yyyy-MMM-dd-HHmmss"));
context.Response.ContentType = "Application/zip";
context.Response.AppendHeader("content-disposition", "attachment; filename=" + zipName);
zip.Save(Response.OutputStream);
//Response.Redirect("www.google.com", true);
context.Response.Flush();
context.Response.SuppressContent = true;
context.ApplicationInstance.CompleteRequest();
//Response.End();
}
Thanks in advance
Sarath Raj
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Isn't this a programming related question?
Favourite line: Throw me to them wolves and close the gate up. I am afraid of what will happen to them wolves - Eminem
~! Firewall !~
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When I commented the ajax settings from page source, the download dialogue box seems to be appear. But after downloading it, when I try to open/extract an error shows like the specified zip is invalid. Any solution?
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I want to scrape a table from web page but the content of table doesn't exist in the source of page
the table created on the fly by java script
this is the source of page
<HTML>
<HEAD>
<TITLE>Cisco Unified Communications Manager Express GUI</TITLE>
<SCRIPT Language="JavaScript">
GUIVersion = "7.0.0.1 (Compatible with IOS 12.4(20)T)"
var MWinC
var newestDN = 0
var retryTimes = 0
var changeBit = false
var FeedString = new Array()
FeedString[0] = "Router config has been successfully changed."
FeedString[1] = "Configuration has been successfully changed."
FeedString[2] = "Configuration change failed."
FeedString[3] = "Other telnet session active. Write delayed."
var FailReason = new Array()
FailReason[0] = "Please report the following error: "
FailReason[1] = " Ambiguous Command."
FailReason[2] = " No Matched Command."
FailReason[3] = " No Matched Help Command."
FailReason[4] = " No Matched Alias Command."
FailReason[5] = " Config Locked Down Too Long."
FailReason[6] = " Configuration Change is not allowed."
FailReason[7] = " Wrong Tag Value."
FailReason[8] = " System is writing config to memory. Your change is aborted!"
FailReason[9] = " Parser return code failed."
FailReason[10] = " Invalid ITS command option."
var GenFeed = new Array()
GenFeed[0] = "Add the new extension to a new phone?"
function ksBanner() {
MWinC = "<html><head><style>BODY{\n margin-left: 0pt; \n margin-top: 0pt;\n}"
+ "</style><title>Cisco Unified Communications Manager Express</title></head>"
+ "<body><IMG src='logohome.gif' alt='Cisco Logo'>"
+ "</body></html>"
return MWinC
}
function Greet1() {
MWinC = "<html><head><title> View Window </title></head><style>BODY{BACKGROUND-COLOR: #cccccc} H2{PADDING-RIGHT: 0.25em; PADDING-LEFT: 0.25em; FONT-WEIGHT: bold; FONT-SIZE: 0.9em; PADDING-BOTTOM: 0.25em; MARGIN: 0.5em; COLOR: #666699; PADDING-TOP: 0.25em; FONT-FAMILY: Arial, Verdana, Lucida, sans-serif; BACKGROUND-COLOR: #cccccc }</style><body>\n"
+ "<H2>View Window</H2></body></html>\n"
return MWinC
}
function Greet2() {
MWinC = "<html><head><title> Change Window </title></head><body>\n"
+ "<h2>Change Window </h2></body></html>\n"
return MWinC
}
</SCRIPT>
</HEAD>
<FRAMESET rows="0,*" frameborder="0">
<FRAME name="banner" src="ITSMain" scrolling="NO" frameborder="0" marginwidth="0" marginheight="0" noresize>
<FRAME name="dispframe" src="javascript:parent.Greet1()">
</FRAMESET>
</HTML>
however i can get the content of the table from browser developer tools
any suggestions
modified 16-Aug-14 8:41am.
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<pre><code>Imports System.Data
Imports System.Data.OleDb
Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim con As OleDbConnection
Dim cmd As OleDbCommand
con = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;" & "Data Source=C:\Users\db.mdb")
con.Open()
Dim insert As String = "insert into tbl1(names) values(@names)"
cmd = New OleDbCommand(insert, con)
cmd.Parameters.AddWithValue("@names", "Jacob")
cmd.ExecuteReader()
cmd.Dispose()
con.Dispose()
con.Close()
End Sub
End Class
</pre></code>
I'm trying to insert record into microsoft access database using the above code in asp.net. But the error specified above occurred and my connection string is ok. When i used same code in windows application, it works fine. Please help.
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Don't you need spaces in your sql statement? ie
insert into tbl1(names) values(@names)
should be
insert into tbl1 (names) values (@names)
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Thank you very much. It worked perfectly
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If this is an MS Access database then the word names is a reserved keyword. You need to use square brackets around it to use in a query.
"insert into tbl1([names]) values(@names)"
http://support2.microsoft.com/kb/321266[^]
Please up vote if it helped you 
Thanks And Regards
Sibeesh
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That depends where the data is being stored at.
The only thing to do is, to first check for any match in the data. Forexample, if it is a database related data then alteast first check for any row that has the same data as
"SELECT * FROM table_name WHERE column_name = value";
If there is a result, then don't save it. If there is no data for this query (no result) then save it.
There are other methods for saving data too, like JSON and XML files. Same algorithm works, you first check whether the data is present or not, and then do what's required, save it or not! General logic would be
if(data == "present") {
Console.WriteLine("Data present! Thanks");
} else {
Console.WriteLine("Data saved! Thanks");
}
Favourite line: Throw me to them wolves and close the gate up. I am afraid of what will happen to them wolves - Eminem
~! Firewall !~
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Hi,
You can use bellow mentioned SQL Statement in your Stored Procedure / Query.
IF NOT EXISTS (SELECT <COLUMN NAME> FROM <TABLE NAME>)
BEGIN
"YOUR INSERT INTO SQL QUERY"
END
ELSE
BEGIN
"YOUR UPDATE SQL QUERY"
END
By this way you will handle duplicate insertion.
Hope this will help you.
Thanks,
Nishant Raval.
modified 28-Aug-14 5:48am.
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