DataSource Controls :: Can Update A Record In A Table That Has Been Read By Reader

Apr 10, 2010

I have been able to successfully read a row of data from an SQL table using two column parameters. Now I would like to update this row with new information. Is this possible since the reader does not specify which row was read with the 'reader.Read();' command?

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Feb 16, 2010

Environment is : vwd2008, 3.5, linq to sql object model, formview, stored procedure used for query.On going problem... I have a simplified page with a webform content area from a master page. The content area contains a FormView connected to an object data source thru the design view tag. The O/R designer has the Lease Table and the stored procedure in the method area.

The stored procedure selects all records from a single table. I an using the DatabaseDataContext and selecting stored procedure name which has "return SingleResult".. There is no code written; the design view was used to create everything. The stored procedure executes in VWD 2008 express tab and shows desired records. I would like to use the O/R and Linq to SQL, and objectdatasource BUT.

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DataSource Controls :: Insert A Record Error - Can't Perform Create, Update, Or Delete Operations On 'Table?

May 11, 2010

when i want insert a record i see an error like this Can't perform Create, Update, or Delete operations on 'Table(MainMenuLink)' because it has no primary key. with this codes:

MyLinqDataClassesDataContext db = new MyLinqDataClassesDataContext();
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ADO.NET :: Can't Get Reader.hasrows And To Work Together In Code Behind

Feb 22, 2011

I have some code in my code behind that queries a database, and if there is data, outputs it from the codebehind to a datalist on my page. In addition to sending the data to the datalist on the page, I need to take the value from "mbillaty" that is returned from the sql query, and have that value be the selected value for a drop down box also on the page. I can get either the datalist to fill, or the selected value for the dropdown box to be selected depending upon which bit of code I place before the other (ARGH), but I can't get them to both work together on the page. What am I doing wrong?


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DataSource Controls :: Row Count Shows 1 Record But There Is No Record In Database Table

Jun 24, 2010

I am counting from a table for that i have written code as below

protected void get_Id_Afterpoint()
int counter = 0;
string strSql = "select count(*) as ID from tblEnergy where ID=?";
OdbcCommand com = new OdbcCommand(strSql, con);
com.Parameters.AddWithValue("ID", DropDownList1.SelectedValue);
OdbcDataAdapter oda = new OdbcDataAdapter(com);
DataTable dt = new DataTable();
if (dt.Rows.Count == 0)
lblID2.Text = "1";
counter = dt.Rows.Count;
counter = counter + 1;
lblID2.Text = Convert.ToString(counter);

there is no record related to DropDownList1.SelectedValue. but as i am counting if(dt.rows.count) and i put break point on the bolded part it shows 1 record. how it can be possible?

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DataSource Controls :: Used Sqldatasource For Performing And Update Query But How To Update The Record On Click

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DataSource Controls :: Update Record Not Working?

Jun 17, 2010

I am not sure if I am in the right spot here because this really doesn't have to do any datacontrol but hopefully somone can give me a hand with this.

Basically I have a bunch of TextBox controls on a page that are displaying the data I want but when I try to run an UPDATE query on the record I get nothing. The record values don't update and I don't appear to get any exceptions.....I am actually kinda really baffled on this one, here is what I have for the update code: [Code]....

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DataSource Controls :: A Table With Over A Million Record?

May 12, 2010

I have website database with a data table constently being "insert, select, count". This table has over a million record and is growing really fast.

Now I'm start worring about whether or not my sql server could handle the pressure. or maybe to have a million record is not a good practice at all.

The specs of my server is almost the best in the market. So I won't worry about the hardware.

Just wondering if ended up 3 million record in that table, will my queries and sql server itself still running smoothly?

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DataSource Controls :: Finding Record On A SQL Table Using VB.Net?

Apr 26, 2010

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DataSource Controls :: Exclude Record From The Same Table?

Jan 27, 2010

I'm not sure if I'm using the correct SQL for what I need. Well, I know that I am not because I'm not getting the results that I expect.

I have a table of products and it has a productID field and a setID field.

Products can be grouped together by making the groupID the same for the both of them.

I have only @productID parameter. My goal is to get a list of products minus this product and any other product that it is grouped with (ie..setID is the same).

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I used the barcode example to my application and it generated barcode perfectly now I want to know that can this barcode image is readable by a barcode reader device ?

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DataSource Controls :: Select All Records Except 1 Record From A Table In SQL

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I have to retreive all records from a table except 1 record. For example: I give example from default database in SQL ie "master" In "master" DB we have "spt_values" table. Now if I want to retreive all records from spt_values table except 1-1 record of type = A and type = B. To retreive all records its a simple query "Select * from spt_values where type in ('A','B')" -- this will returns 16 records. Now I want to retreive all record except 1-1 record left in each type, so it will return 14 records in result.

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DataSource Controls :: Retrieve Data From The Last Record Of A Table?

Jul 7, 2010

I want to retrieve the data from the last record of a table. For eg: I have sorted the data in my table and want the value from the last record? How can I do that?

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DataSource Controls :: Duplicating A Table Record With Exceptions?

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I would like to duplicate a table record but not all the columns.For example, Select from "TableA" Where recordid='1' AND insert into "TableA" All values except "col2" , "col3". I hope you got the idea. Could you please advise me what is the cleanest approach to get this done.

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DataSource Controls :: Get Record Count With Related Table?

May 17, 2010

I want to get record count from below example.

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And each table has data like following


I want to get club_name and the member count for selected club_id and want to return the result as sqldatareader.

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SQL Server :: How To Update Table Where Id Needed To Be Read Through From Another Table

Oct 7, 2010

I have update statement.

student (NOLOCK) ON student.ID = SPECT.ID
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Here my table CLSS


How to finish this one?

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I would like to be able to read the first row of a table and then each successive row sequentially individually. So, is there a way to read the first row of a table, whatever the primary key may be, and then read the next sequential row in the table until the last row has been read? I need to be able to do this in order to create a list of column entries in each row for a listbox control that a user can select from.

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DataSource Controls :: Update Another Table Automatically As Row Entered In First Table?

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I'm sure this has been answered many times already, but I still can't seem to find exactly how to search for this issue, so apologies in advance.

Anyway, I have a VB script for entering a row of data into a table by a web user. When this row of data is entered, I wish to take some of the values from the columns of the "primary" table, and have that data automatically create a new row of data in a "secondary" table. I think I'm part of the way there, here is my script:


"ProductsByMfr" is the "primary" table - the table that the user adds data into when the button click event is fired.

"DealerPricing" is a "secondary" table that I wish to have some of the data from the newly-entered row in ProductsByMfr copied into. Am I even close here?

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DataSource Controls :: Auto-Update Column Whenever Record Is Updated?

Feb 9, 2010

Is there a way I can automatically update a 'Date' column in my database table to the current date whenever any cell in that record is updated?I've started looking into table triggers a little bit and I'm wondering whether I can do it using this?

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