DataSource Controls :: Sqldatasource On Inserting Query?
Jul 15, 2010
I have an editable grid where user can add/edit data. They also have the option to load previously entered data from last month. When the user then clicks save, i want to readd this newly modified data as a new record for this month. So basically I want to call the insertcommand, but it does not work. My 'save' method just 'updates' the records.
Providing sqldatasource, grid and save method
<asp:SqlDataSource ID="SqlDataSourceLoadActivities" runat="server" [code].....
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Similar Messages:
Aug 5, 2010
I have a problem with inserting some records into an access database using the sqldatasource control.
Here is Ex 1:
[Code]....
Ex 2:
[Code]....
I have tried both examples above, and some variants of them, but I'm getting errors.
With Ex 1 I get:
System.Data.OleDb.OleDbException was unhandled by user code
ErrorCode=-2147217913
Message="Data Type Mismatch." [code]....
what is wrong with both examples above?I'm adding values to all fields in the table, except for the ID field, ofcouse.
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Apr 14, 2010
i have built an inserting interface in a GridView's Footer Template. Added Button for insert , auto generated the insertCommand in SqlDataSource. But then how to Bind the data of inserting interface to insert command of SqlDataSource ?In FooterTemplate. i have taken TextBox.GridView's RowCommand Event is handled in this way.
[Code]....
(all that i did , i took help from this web site's tutorial)
So,How to insert data?
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Aug 22, 2010
1. I have a GridView on my page and it uses sqldatasource with parameterized query. What I want to do is, on page load (where nothing has been selected so no parameter supplied), I want it to query everything (something like SELECT * FROM [this_table]) but since my SelectCommand is something like
SELECT * FROM [this_table] WHERE [this_column] = @someParameters AND [that_column] = @someParameters.
Can I play around with default value to achieve something like that but how ? Now, when the page loads, it doesn't show anything (No Gridview).
2. On my page, I made something like (username, gender, address, and more) and one single search button. That means, no single control enable auto postback. What I am trying to accomplish is building dynamic query
(if username specifed -> SELECT * FROM [this_table] WHERE [username] LIKE @username).
If both username and gender are specified (SELECT * FROM [this_table] WHERE [username] LIKE @username AND [gender] = @gender) and you know the rest. How can I do this using GridView and SqlDataSource ? To my knowledge, I can only specify one SELECT statement in a sqldatasource.
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Jan 24, 2011
I am not able to figure out why I am getting the null error at SqlDataSource10.Insert(); I tried running through break points and i checked the Insert statement and it has all the required values .. but I get error saying it cannot insert null into NrNarrativeDays. I am working off a sample at this link..
http://www.aspdotnetfaq.com/Faq/How-to-insert-row-in-GridView-with-SqlDataSource.aspx
[Code]....
Datasource and Gridview code is below
[Code]....
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Feb 18, 2011
I have a strange problem...I am programatically adding an SQL SELECT query to my SqlDataSource that my GridView is bound to. If I use the follwing statement it works fine:
[Code]....
But if I use the following one, the gridview fails to load. The only way that this is different is it uses RTRIM and CAST on one of the fields:
[Code]....
I don't understand why this can be. If I try the statement exactly how it is in the query builder and run it it returns the rows no problem.
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Jun 10, 2010
I have a gridview which I connect by C# and SqldataSource. I use asp.net 2.0 - 3.5.
I want to parameterized the queries and how do I do this in the C# file ? how do I set the selectparameters in C# ?. I do not want to do this in the aspx fil.
My code in C# is:
SqlDataSourceMachineName.SelectParameters.Clear();
SqlDataSourceMachineName.SelectCommand = "Select MachineName from tblMachine inner join tblLocation on tblMachine.MachineLocationID = tblLocation.LocationID where tblLocation.LocationName = 'New York' and
tblMachine.StatusID = '1'";
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Oct 25, 2010
Currently, I have long script which does major processing and then puts data into temp table.
Finally I read data from this temp table to show on the chart, based on user's selection of parameter. So I can divide my query into two parts and while I am researching this,
Is it possible to do processing in one Datasource and read table from second datasource?Is it even possible?
If not, what is recommended method for this (breaking large processing into small one)?
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Jan 20, 2011
I have this sqldatasource:
<asp:sqldatasource id="SqlDataSourceX" runat="server" connectionstring="<%$ ConnectionStrings:MyConn%>" providername="System.Data.SqlClient"
selectcommand="SELECT ItemNum, MIN(DateAdded) as [DateAdded]
FROM Items WITH (NOLOCK)
WHERE [DateAdded] between @DateFrom AND @DateTo
[Code]....
When I call select in codebehind, after 30sec it throws timeout expired SqlException:
[Code]....
again , this select took up to 3 sec to be executed. In application I tried to use SqlConnection and SqlTableAdapter instead of SqlDataSource, with the same query, and again it took up to 3 sec.
If I choose tighter interval (e.g '2011-01-20 00:00:00' - '2011-01-21 00:00:00') , there is no timeout exception, so I know that sqldatasource select is executed correctly. So the conclusion is that sql server is not using index while executing query sent from sqldatasource, but is using index whenever else. I have also checked the index statistics on sql server and it is like that. In profiler i can see slight difference between this two cases. As for SqlDataSource, in events table, in first column "EventClass" after 30 sec, there is this: "RPC:Completed" and application throws timeout. If i use SqlConnection and SqlTableAdapter then at the same place there is this: "SQL:BatchStarting" and "SQL:BatchCompleted" and application does not throws timeout(the index has been used).
what is so special on SqlDataSource connection, that Sql Server performs differently compared to other types of connections?
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Feb 16, 2011
I have a query that I want to test the performance of when the query is included directly in the SqlDataSource versus when I call a stored procedure. Does anyone have suggestions on how I would be able to closely watch the actual steps here? I was thinking of turning on tracing and adding Trace.Write for each of the events that fire along the way. This doesn't seem efficient and I wanted to see if there was a better approach.
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Aug 28, 2010
What ive been using now is getting datas in code-behind, passing datasource into a Session, re-binds it to a gridview whenever there's paging/sorting needed. What i want to know is what is better if its performance we are talking about?
Is it datasource into a session Or SqlDataSource for which I know whenever paging/sorting needed is that sqldatasource opens up a DB connection to get the datas again?
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Nov 9, 2010
Here is the sqldatasource config code: <asp:SqlDataSource ID="SqlDataSource1" runat="server"
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May 14, 2010
I am trying to tie a sqlDatasource to a Stored Procedure. The stored procedure looks like...
[Code]........
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Jun 8, 2010
Up till the moment I can not understand why the "SqlDataSource_NewAccount_Inserting" event of the formview's SqlDataSource is not firing!
The code inside the event handler is not executed, even the debugger does not stop on break points inside the "SqlDataSource_NewAccount_Inserting" function!
Here is my code:
[Code]....
[Code]....
I am using VS2010 and target .NET Framework 3.5.
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Feb 8, 2011
I have to use SQLDataSource for inserting, updating and deleting in database through gridview instead of using SqlDataAdapter and SqlCommand object. I have to do it in ADO.NET (means C# code).
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Dec 14, 2010
I've been wrestling with this for a while. What I want to do SEEMS like it would be very simple, buy nothing about it so far has been. Any assistance would be absolutely outstanding.Basic concept of what I want to do is...
[Code]....
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Feb 25, 2010
i have two sqldatasource controls. one i use to display data in textbox's ,filter'd by a select parameter in page behind code. Once checked, i want to copy this data to the other datasource ,by selecting checkbox.Then display this data in detailsview control.
At present the two datasource controls declared , render data to the page simultaneously during pageload. I want to first check data in textbox's from first source, before second datasource is rendered to screen. note, both are filtered by a page variable. i wish to leave the textbox datasource control in situ, as other controls and code depend on it.The other detailsview datasource is my problem?
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Apr 12, 2010
I am trying to insert UserName and PageName into table using ObjectDataSource but it is not inserting into database.I get these values fine and displayed in a label but not inserted in table.Needs further guidance in the code which is as under:
[Code]....
[Code]....
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Aug 9, 2010
This is the first time I have been working on databases and I am trying to insert data using an object datasource but no data is being inserted and no exception is thrown. I'm not sure where I am going to wrong. I am putting user data into session variables and inserting the session variables into the dataacess class layer and have a try and exception but nothing being thrown. Any help would be really appreciated because I don't know even where to start looking with this or how I can get the error to be thrown. Please see some of my code below to give an idea of what I am doing
Object Access Class
public void InsertCarPolicyHolder(PolicyHolderClass ph, CarInsuranceOptions options)
{
[code]...
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Feb 16, 2010
I'm using VS2008 to write a web app. The page has 3 inputs (select date from calander, and items from two dropdownlists). User will be able to select any of the three or nothing. I start with a "select * from ... and append a where stmt to my select; depending on the user's choices. Once the user has selected (or not) they will click a "get info" button. That passes the select command to the SQLDATASOURCE, where it successfully returns what was requested. If I have PAGING enabled (perferred because there could be MANY rows returned), the first 10 rows return with the appropriate page numbers. When a page number is picked (ie. 2 or next), the page reloads and the query reruns but regardless of the original query; the rerun query selects everything. Obviously, this will not work.i'll even ZIP my code and email it to "you"; if needed.
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Jan 15, 2010
[code]...
This query works perfectly on the query analyser.
But when configuring the Table adapter ,I try executing the query and i get 0 rows affected.
What could I be getting wrong in this case.
NB:Existing GalleryID has been supplied.
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May 17, 2010
By right clicking on my database i created a query in server explorer. But where are this query stored can't find them back. I should aspect that their is a folder query's like there is a folder tables but this isn't the case.
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Mar 10, 2010
select Groupid,GroupName,onorusername from palgroup where groupid in (select distinct Groupid
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Jan 21, 2010
I've got a query such as
Dim MediaQuery =
From m
In dB.DOWNLOADS _Where m.ID = id _Select
which returns a record from the database. One of the fields in the record is a FK to another table. I need to read this value to be able to set a dropdown based on the ID but I can't work out how to access it. For a standard record I can just do the following txtTitle.Text = MediaQuery.FirstOrDefault().TITLE
However with the foreign key it doesn't work like that. I've tried drpGroup.SelectedIndex = MediaQuery.FirstOrDefault().DOWNLOAD_GROUPS.ID where DOWNLOAD_GROUPS is the FK field but it returns Object reference not set to an instance of an object. If you're simply wanting to read some values from a single db record in the entitiy framework and one is a foreign key how should I go about getting the value?
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Sep 4, 2010
I have asked similiar question before where I have two control on the page header says "username" and "gender". User can select both the control or either one and the page will execute searching based on the criteria supplied. So if username supplied
SELECT * FROM [this_table] WHERE username = @username
and if gender supplied
SELECT * FROM [this_table] WHERE gender = @gender
and if both supplied
SELECT * FROM [this_table] WHERE username = @username AND gender = @gender
I know this sounds not very complicated but in my case, I am having like more than 10 controls up there. It is something likeusername, gender, age, date of brith, title, father name, frst name, last name, blur blur blur and it's a lot then I started to lost. if i were to use if else caluse on code-behind and produce query, it would end up writing a lot of if-else and if i use stored procedure (with if-else) then my stored procedure would contains a lot of if-else statement. I am fairly new to this concept and if I'm on the wrong track, please correct me. Is there any better way to save my hair without actually going through each
if-else statement to build the query ?p.s. I'm using GridView and SqlDataSource command to display the result back on .aspx page.
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