DataSource Controls :: Update Database Using Sqldatasource?
Jan 14, 2010
i am using a gridview which shows the data and a select column. when the user selects a record a detailsview is shown with the respective details and an edit button inside it. when the user clicks on the edit button the entire detailsview becomes editable and the user can now edit the selected record .here the problem starts cause when the user clicks on the update button there is an error stating that illegal variable/number or parameter not found.i am using sqldatasource to bind the gridview and detailsview with an unique RequestId fieldwhich detailsview sql datasource uses to bind the record uniquely.
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Jan 11, 2010
I have this working on another project I have but cannot figure out why I can't get it to work on another. I have a dropdownlist box with employee names. When an employee is selected, I display the data (address, phone, email, etc.) in a series of textboxes. User can make changes and then click on an "Update" button where I attempt to update the database with the changes using the sqldatasource. The code works without any errors, but the database does not update.
Here's the sqldatasource code (the code behind follows):
[Code]....
Code Behind for the "Update" button control which was intended to update the database with sqldatasource3.update() command at the end:
[Code]....
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Nov 9, 2010
Here is the sqldatasource config code: <asp:SqlDataSource ID="SqlDataSource1" runat="server"
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Sep 23, 2010
I have a FormView which is bound to an SQLDataSource. When a user clicks on a save button the form, I need to write any changes made to the FormView back to the table.
I have a Stored Procedure on my MSSQL 2005 database that should be executed when the user clicks on the save button.
It appears the Update is firing, but when I trap the DbCommand object in the SQLDataSource's 'Updating' event, all of the parameters that should be passed to the Stored Procedure are coming through as NULLs. Consequently, the Stored Procedure isn't updating anything.
In the click event of the save button I'm explicitly firing the SQLDataSource's Update method:
[Code]....
The parameters in the SQLDataSource <UpdateParameters></UpdateParameters> section appear to be correct.
Can anyone give me an idea on what to investigate to figure out why it appears the Update is only picking up NULLs?
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Mar 10, 2011
I've already spent hours in searching through the forum to be able to do the following:I have a SQL datasource defined with a checkbox in it. Purpose is to update one column (userid) behind the table for only that row when the checkbox is selected.This is the code I'm currently having:
[Code]....
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Dec 14, 2010
i couldnt find a specific answer to this question, i am relatively new to .net :)
i have a gridview that is displaying data from a sqldatasource in my page_load event. i need to loop through the records and update each value of a particular column BEFORE being set into the GridView.
i have tried converting to a data set and looping through updating the values, however it seems that one i initially run my query the values get set right into the GridView and i can't update them after that.
Do I need to add one of the GridView functions like Databound and do the loop in there?
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Mar 29, 2011
How can I bind radio buttons to an sqldatasource for update ?
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Sep 12, 2010
Using a FormView with a SqlDataSource, I'm attempting to Update data
by calling a stored proc in code behind. I was having trouble getting parameters
using Update Parameters in the SqlDataSource, but found a working solution by
coding the parameters.
The problem now is I'm getting an "Updating is not supported by data source 'XYZ' unless UpdateCommand is specified'.
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Jun 25, 2010
I have a mssql table of names. This table contains names from A thru Z. However, I want to be able to display names by their beginning alphabet...Like first Display names A thru CThen Display Names D thru F
and ..so on....and so forth....thru ZI using asp.net and have a grid view with paging enabled.....
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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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May 14, 2010
everytime I modify an SQLdatasource using VS wizards, I have to dettach the mdf in VS's server exporer, then hit refresh in the browser, then get the applicaiton is offline error message please remove some pia file, but i usually just count to 12 and then hit refresh again and the page renders properlyhad scoured the forum on more than one ocasstiion, think it has something to do with the Admin rights within SQL, Ive tried the SQL server surface configuration tool, and add administrator stuff, but not sure if i should add (user to provision) something like the asp.net thing, or network services or ??also cant figure out where to view which administrators are actually on SQL server,
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May 17, 2010
If I want to access the method in which we define update query, how can I access that method on aspx page & update the data in a grid view without direct use of an query on aspx page under sql data source?
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Apr 19, 2010
i want to update the data of a database through a gridview update button
how can i attach a dataconvertion like this
[Code]....
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Jul 6, 2010
[code]....
Im trying to update my DB(DataBase) by using SQL UPDATE query ,but its not updating in the dataBase i receive confirmation(in testLabel) that one row is affected(dataReader = query.ExecuteReader(); return numbers of rows affected)...
I have given a HTML editortext control on a page,which generates HTML (i have to store it in my DB,that page is only for Admin) ,on pressing Update button , im receving in my testLabel that one row is affected(which shows DB is updated succesfully) but when i check my DB its in old state,it is not updating...
Here is my Event handler of Update Button which have to make updates in DB:
[Code]....
[Code]....
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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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Jan 9, 2010
I am trying to setup a page that access a members email address from a query string and then updates a table to set a field "opt_out" to true. I want to accomplish this on page load so when the user clicks a link I send them in their email to opt_out it will automatically do so. I have an sqldatasource set up as follows;
[Code]....
How can I call this datasource to update on page load isntead of binding to sometype of view?
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Jan 22, 2010
Creating a system with web front end and SQL backend (microsoft obviously). I have tried using the asp.netsqlprovider but i can;t as i am only allowed one database on the server, so i then tried to update my current database with the triggers to input the schema into the already existing database.Next step i create my own table with two simple fields of username and password and try and authenticate that way, i can't get that to work either.
I ahve limited permissions on the network as i am a University Student. I really don't know what to do. Never had to create a log on system before and i thought it would be far simpler than this. I ahve used Microsoft's sqlprovider schema before and it worked fine. I have also authenticated via IIS and AD too before. I can't do any of those two in this instance it seems.I need an alternative for logging in users, if needs be in can be crude. I also still need to have some kind of two different views too for logged in users and not logged in users, but that can change if needs must.Don't let me down people, haha. Think this posts in the correct place, i could not find another one i thought could be more relevant.
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Jan 9, 2010
i am trying to update the database for a simple bank project. I am updating the current balance of an account. What i did was read the current balance first then add the deposited amount and then trying to update it to the database. here is the code
protected void Button1_Click(object sender, EventArgs e)
{
SqlConnection newSqlConnection = new SqlConnection();
[code]...
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Feb 10, 2010
I am beginner to sql database and asp.net.I want to fetch datetime from sql database and display it in textbox.I have wrote one stored procedure.The Procedure is
declare @o_Output varchar(30)
SET @o_Output =
getdate()
select @o_Output
Using the above procedure i'm getting current date and time.but my problem is i am hitting ql database while page loading itself. if i am hitting db on 12.40pm means, the textbox showing always the sametime only. I am trying to insert or update some data's into db that time only, i am hitting the db.The textbox datetime(12.50pm) has been changed that time alone. i want to update datetime to textbox at every minutes or seconds.
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Jun 16, 2010
i have function writeToDatabase(); that function use to store registration information to database. and then after store todatabase success..another page will appear and need user to confirm all data that has been filled...then with the confirmation..all data will send to HOST. what about if send data to database success..and send data to host FAIL(any reason due to send to host fail) ... i just think about to cancel anything that function writeToDatabase() did..
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Apr 1, 2010
I'm fairly new to asp.net and I'm trying get my arms around the data entry and update. I have created a nice data entry formusing a stored procedure. It works well but for a test database, it's pretty much overkill, but worthwell in learning how. I'm going through the ADO.NET quick start tutorial and I've ran across a couple of questions that I've not be able to answer. In my website,I'm wanting to edit the database by creating a separate form that is filled with the existing database information for that particular id. My main question is how to I take the information from the dataset and get it into my form. The code below is not fillingmy form. Not sure what I should be using here:
[Code]....
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Apr 23, 2010
I have a table with Id, Name,...IsActive, etc. If user wants to delete a record from the user, he/she should update the field IsActive to false. I am able to acheive this functionality using the below steps,
1. Query the database for the row which is to be updated.
2. Update the property IsActive to false.
3. Submit the changes to the database.
This way i am successful. But i have a query here is that, when we execute steps 1 and 3, there will be two trips to the database for getting the required object and again updating the same object to the database.
Is this not a performance hit having multiple calls to DB for a simple operation.?
Do we have any other go, where in within a single call to database, can i update a field of row?
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Feb 17, 2010
I have the following code to update values in my database.
[Code]....
[Code]....
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Apr 2, 2010
I'm attempting to create a update form that will pull information from my database. I'm a little confused on how to get the information into the textboxes on my form. First I have my form:
[Code]....
This is where I'm getting stuck. I'm not certain what code I need or if what I have is correct. Is there an example what my next step(s) are? I would think that I need to set a variable to hold the data, maybe something like txtRace = Trim(GetString(0)???
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Jan 29, 2010
I've used below code for inserting textbox values on button click....then back the page again, if i update the textbox value , I want the corrosponding values of the database table also updated..
SqlConnection dbConn = new SqlConnection();
SqlCommand cmd = new SqlCommand();
dbConn.ConnectionString = ConfigurationManager.ConnectionStrings["Acarin_SchoolManagementConnectionString"].ToString();
if (dbConn.State != ConnectionState.Open)
dbConn.Open();
cmd.Connection = dbConn;
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "sproc_Ins_Student_Details";
cmd.Parameters.Clear();
cmd.Parameters.AddWithValue("@StreetName", txtstreet.Text);
cmd.Parameters.AddWithValue("@Email_Id", txtemailaddress.Text);
cmd.Parameters.AddWithValue("@WebSiteUrl", txtwebpage.Text);
cmd.Parameters.AddWithValue("@HouseType", txthousetype.Text);
cmd.Parameters.AddWithValue("@HouseNo", txthouseno.Text);
cmd.Parameters.AddWithValue("@City", txtcity.Text);
cmd.ExecuteNonQuery();
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