DataSource Controls :: Returns False After Writing Row To Table?
Jun 7, 2010
I don't understand how the stored procedure is returning false. It's supposed to continue looping and continue writing rows. Right now it writes the very first row, and then it goes into the If Not AdvanceLinkBanned.Add(banrec) Then and it goes in here, prints the message and exits the sub. Why is it thinking the add returns false? If Not AdvanceLinkBanned.Add(banrec) ? Doesn't this return the id of the new record? Isn't this not zero? Zero would make it false. How can this be false? Isn't it supposed to return the next record created ? Doesn't SELECT SCOPE_IDENTITY() return the value of the record id? How do I test this?
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Feb 11, 2010
What I'm trying to achieve is to track any change made on a form. I thought DataSet.HasChanges and DataSet.GetChanges would be a good way to accomplish this. However, in the code below DataSet.HasChanges always returns false.
EmployeeDs represents a strongly typed DataSet.how to get changes from the updated row into the new dataSet?
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Feb 23, 2010
Having serious trouble inserting data into my db... i am able to select and display data just not write it to the database..
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Jul 1, 2010
I added a new table to my type dataset. When the code tries to execute the new row on that table I get the error message.
(if you can't see the error. "MissingMethodException was caught" "Method not found: 'MyTableDataTable MyNamespace.get_SSCase().")
I've tried the wizard and also click and drag the table from solution explorer to the xsd file. The other tables work, just this one table won't work. What should I check?
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Jan 16, 2011
I've an EntityCollection< T > which contains an element but the Contains method returns false.
I've overriden T's 'Equals' method but the 'Contains' method does not call it (while it's said so in documentation).
When I do foreach (T x in coll), x.Equals(element) returns true.
code:
contains(object entCol, object val)
{
var coll = (ICollection<GraphicSockets>)entCol;
var socket = val as GraphicSockets;
foreach (GraphicSockets sock in coll)
socket.Equals(sock); //true for first element, GraphicSocket's Equals function called
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the code i'd actually like to use is
private static bool contains(object entCol, object val)
{
Type entColType = typeof(EntityCollection<>).MakeGenericType(val.GetType());
MethodInfo contains = entColType.GetMethod("Contains");
return (bool)contains.Invoke(entCol, new object[] { val });
}
this worked once but stopped when i started using wcf, i wonder how this contains method works.....
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Nov 17, 2010
I'm using a model which receives some input from a form and has some validation logic attached via attributes. In one case I'm validating personal names, which should include only letters, apostrophes, spaces and dashes, and be no more than 50 chars long. So I have a model property like:
[Code]....
Everything works fine BUT the RegularExpression attribute: if I add it, I always get a validation error, even when what I type in my form is a valid name (e.g. "Foo"). No matter how I modify the regular expression or what I type, I always get an invalid name error.
(For some reason, I cannot see the regex posted correctly here: it is just ^ followed by the Unicode Letter class and []+ including a Unicode letter class, apostrophe, whitespace and dash, ended by dollar: i.e. start of string - any letter - any of the following: letter, apostrophe, whitespace, dash, 1 or more times; end of string).
What I'm doing wrong here?
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Jan 24, 2011
I've created a script that adds user data to a database, however, I'd like to check the email entered is unique within the database.
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[code]....
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Mar 11, 2010
I have a ListView control and under ItemTemplate I have following code:
Code:
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May 9, 2010
I have configured Forms Authentication in my web config file as below.
Following is my code
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Apr 14, 2010
Our web application hosted from windows 2003 server, is trying to access a file present in a shared folder of another windows 2003 server. The path for the shared folder is configured in the webconfig file in the below format.
<add key="ReportPath" value="\<Server_Name>Reports"/>
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Apr 1, 2011
I have a detailsView inside the update panel., and in the detailsView I have a FileUpload Control and a button btn_Upload. In the click event I have written code :
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Feb 15, 2010
I have some trouble using the openid check_authentication. The answer from the openid providers (I tried with google and myopenid) is always: is_valid:false I do already get the openid.sig and openid.identity but when I try to verify my data with the check_authentication call it always returns is_valid:false. What I have done so far (authentication with google openid in this example, but for myopenid it was the same): I redirect the web user from my page to the following: [URL]
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openid.ns=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0
&openid.mode=id_res
&openid.op_endpoint=https%3A%2F%2Fwww.google.com%2Faccounts%2Fo8%2Fud
&openid.response_nonce=2010-02-12T14%3A46%3A52Z1PDyxBssEN9p5g
&openid.return_to=http%3A%2F%2Flocalhost%3A104%2Fevalgoogle.aspx
&openid.assoc_handle=AOQobUfpVnBFYzFO15z92rru88nWjEnw0u8ethVscpjDwkssp8GjVc0u
&openid.signed=op_endpoint%2Cclaimed_id%2Cidentity%2Creturn_to
%2Cresponse_nonce%2Cassoc_handle
&openid.sig=24Hetky5HrNwrY3%2B%2B2vtIGnvmnI%3D
&openid.identity=https%3A%2F%2Fwww.google.com%2Faccounts%2Fo8%2Fid%3Fid%3D{SOMEID}
&openid.claimed_id=https%3A%2F%2Fwww.google.com%2Faccounts%2Fo8%2Fid%3Fid%3D{SOMEID}
(where {SOMEID} is my google id) To verify this signature and google id, I composed a webrequest calling the check_authentication as described in openid.net/specs/openid-authentication-1_1.html#mode_check_authentication. My problem now is that this always returned is_valid:false To eliminate possible problems in my webrequest, I now create just a html form with the data I get back from google like this:
<form method="post" action="<%=Request.Params["openid.op_endpoint"] %>">
<div>
<input type="text" name="openid.mode" value="check_authentication" />
<input type="text" name="openid.assoc_handle" value="<
%=Request.Params["openid.assoc_handle"] %>" />
" />
" />
" />
" />
" />
" />
But this also just yields the is_valid:false
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Nov 12, 2010
We have just migrated our application from VS 2008 to VS 2010 and our database from Sql server 2005 to 2008. Everything was working great until i tried to login to the site.
As when i try to log into the site, i am surprisingly always getting "FALSE" from Membership.Validateuser (). I goggled it and now i know i am not the alone victim of this irritating bug. Our live site is going to be down...
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Sep 23, 2010
I have an .aspx page with a couple of textfields. I validate these with jQuery validation plugin when the user clicks the submit button. When the submit button is clicked I also open up a new window, but I only want to open the window if the fields are correctly filled out.How do I stop the window from opening if the fields are not validated?
.aspx.cs
protected void Page_Load(object sender, EventArgs e)
{
[code]...
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Feb 9, 2010
I was just wondering that when we insert some datainto database we can use the following method.
create a sql datasourse ,
set the conection string,
set the insert comand type,
set insert parameters,
and Set the SQL Statement like
sqldatasource.insertStatement="insert into tablename(field1, field2) values(@parameter1, @parameter2)";
and then call the datasourse insert() function,
this method is usually used for single line insertion at the end of the DB.
Now I am a starter in asp.net c#,
I want to know that if There is a way that I have lots of data like some XML file that have the same table structure as the SQL database table
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I can Still achieve the required results by iterating through XML datarows and for each row conecting to db and inserting and then disconecting dfrom the db,
But I want to know that if there is a way to do it in one go meaning I have to conect to database only one time,
Note: I already have some data in my SQL table, there are three fields(ID Name and Nickname) the ID(primary key) is INT type and auto incremented, the name and nickname are strigns.
the xml file has the structure
<userdata>
<user>
<name>michel</name>
<nickname>micho</nickname>
</user>
</userdata>
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Oct 15, 2010
I have 2 tables:
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- Appointments with Fk.SalesmenID and busy(bit)
How can I check if every salesmen has at least one appointment
Am I on the right way with statement below, though I got syntax problems
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Jun 4, 2010
I am creating an insert statement in my c# code to insert records to an access database table. I am getting the error copied below using c# code. When I copy the generated insert statement from the console and run this on my access database, it succesfully appends a record in the table.Insert statement generated:
insert into [Pet Fish-log 2010] ([Specimen Type], Year, [Lab Number], [Last Name], [First Name], [Middle Initial], Gender, [Date of Birth], [Collection Date], [Date Received], Client, [Tissue Type], [Block Number],
[code]......
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May 11, 2010
i have a "Users today" function that i am trying to work on, i have all the tables set up, and a TimeStamp column, i would like to know how i could get all the users that appeared, but for that day only.
So i used the select statement, but then when i tried to add into query, filtering, i tried using the DateTime.Now, but it only got the users specific to that date, hour, and second.
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Nov 18, 2010
I have an Access 2010 DB that I have a table of RAW data in. In my scenero when table 'a' has been populated all the rows with the updatedate of Now() get moved to another table... the SQL is like this...
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As you can see it is a very simple query but it does NOT return any rows. There are actually 404 rows with todays date in teh Append_Date column.
I am stumped as to why it does not return rows?
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Jun 11, 2010
I have a checkbox column in a Gridview that I would like to use to insert the value of one cell in the row into an access database. There will be a maximun of five cells allowed to be selected so there can be one value written to one field in the database up to the maximum of the five fields. The access database has five columns: Selection1 ,Selection2, Selection3 ,Selection4 and Selection5
When the checkbox is checked, the value of one cell (PliD) should be written to each field in the database. Ie: checkbox in row 1 should write PliD value to Selection1, checkbox in row 2 should write PliD value to Selection2, checkbox in row 3 should write PliD value to Selection3 and on depending on which checkbox has been checked. I am not sure how to get the value of the checkbox and write it into the corresponding fields in the database.
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Jun 22, 2010
Im building on a transaction website that gives the user a few choices for them to choose when they want to view their transactions history
They can choose:
1.Current Month
2. Last 1 month and current month
3. Last 2 month and current month
4. Select date range
How do I include this variable in the stored procedure?
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Jan 13, 2010
I am trying to populate a datagridview control using a stored procedure in SQL Server database. The stored procedure accepts a parameter value.The output is a select * from #temptableoutput . Since the columns of the #temptable can not be seen by VS since they do not exist yet how do I configure the datagridview control to use the yet to be "initialized" columns?I have not found any tutorials on using stored procedures to fill datagridview controls
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Jan 15, 2010
Iam confronted with a really weird issue the like of which ive never seen before. I recently developed a web application using ASP.net and launched it for my company, during the bug testing stages everything seemed fine, but once it was actually in production i started getting these weird errors that all stem from it not retrieving the correct rows.
The issue is this, sometimes the queries sent to the back end only return a partial amount of the rows actualyl requested, so if a user has a page loaded thats suppose to return X number of rows, they can sometimes get X - Y number of rows, and upon refreshing the page they get X - Z number of rows, and refreshing the same exact page again they might get X number of rows they were initially suppose to see. I've never seen anything like this before so Iam stumped.
I consulted some of the old developers in the company I used to work for, for assistance but when explaining and showing the problem they too were very confused with the issue.
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Apr 15, 2010
I have a gridview that has the header row modified in order to add new records; the gridview is bound to a sqldatasource control. In my code behind, i handle the insert in the following manner:
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I know the insert is occuring because the new record shows up in the grid after the databind, but the output parameter is not picking up the scope_identity() value...what am i doing wrong with the output parameter?
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Jun 5, 2010
How come my query returns 0 records?
SELECT WebSiteID, BanDate
FROM tblWebSite
WHERE (BanDate <> NULL)
The BanDate is a date column. There are date times through the table in this column. I just want the ones with a date and ignore the rest.
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