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Ravi kumar G wrote: Increase the speed when fetching bulk data from database using asp.net
No wonder you're having problems. ASP.NET is for web applications. There is no database code in there. I think you want to use ADO.NET for accessing the database.
Ravi kumar G wrote: i am getting a problem when fetching more then 5000 recoreds from database ... its take more time to fetch
Naturally, the more rows you get from the database the longer it will take.
Ravi kumar G wrote: i need the Proper coding for fetching bulk data
There is no single answer to this. It all depends on what you are trying to do.
Ravi kumar G wrote: Note: data comes from only one or two tables only
Well, if there is a join involved then that could be a source of the slow down. If there is only one table involved then it could be on the filters you are applying (i.e. what's in the WHERE clause)
However, we need more information if you want help. The data model would be helpful along with the queries you are using to try and extract the data.
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Hi
i am using .NET 1.1.
I am populating some data in DataTable using StoredProcedure.
DataTable dt = new DataTable();
DataRow dr;
DataSet ds = GetDataFromSP();
for (int k=0;k<ds.tables[0].rows.count;k++)
{
dr="dt.NewRow();
" dr[0]="int.Parse(ds.Tables[0].Rows[k]["ID"].ToString());
" dr[1]="ds.Tables[0].Rows[k]["COL1"].ToString()
" dr[2]="ds.Tables[0].Rows[k]["COL2"].ToString()
" dt.rows.add(dr);=""
}
="" binding="" to="" grid="" using="" dt.
in="" this="" datatable(dt)="" with="" same="" primary="" key="" multiple="" rows="" are="" returning="" by="" sp.
i="" want="" check="" datatable="" weather="" is="" there="" any="" dupliate="" entry.="" if="" entry="" exists="" in="" datatable,="" avoid="" the="" adding="" into="" dt.
how="" do="" this?
any="" sounds="" appriciated.="" awaiting="" for="" response.
=""
<div="" class="ForumSig">regards
GV Ramana
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Hi, I have installed SQL2005 a couple of times now. And one time install was ONLY for reporting services. XP machine, it always keeps coming back with same error message:
Parser Error Message: The format of the file 'ReportingServicesWebServer' is invalid.
I have not changed anything from default installation.
Source Error:
Line 27: <assemblies> Line 28: <clear>
Line 29: <add assembly="ReportingServicesWebServer">
Line 30: Line 31:
Made sure that ASP.NET user had all premissions. Also re-installed ASP.NET for 1.x framework.
ANY IDEAS IS MUCH WELCOMED!! REALLY HAVING ISSUES...........
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I think sql2005 RS works with .net 2.0?
how vital enterprise application are for proactive organizations leveraging collective synergy to think outside the box and formulate their key objectives into a win-win game plan with a quality-driven approach that focuses on empowering key players to drive-up their core competencies and increase expectations with an all-around initiative to drive up the bottom-line. But of course, that's all a "high level" overview of things
--thedailywtf 3/21/06
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I tried with 2.0 framework now and it comes back with this error message:
Failed to map the path '/Reports/App_GlobalResources/'.
I am using IIS 5.0 - ok?
thanks.
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Are you able to run asp.net websites?
how vital enterprise application are for proactive organizations leveraging collective synergy to think outside the box and formulate their key objectives into a win-win game plan with a quality-driven approach that focuses on empowering key players to drive-up their core competencies and increase expectations with an all-around initiative to drive up the bottom-line. But of course, that's all a "high level" overview of things
--thedailywtf 3/21/06
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yes - both VS2003 and VS2005 web sites.
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sorry, I'm stumped. Try
here
how vital enterprise application are for proactive organizations leveraging collective synergy to think outside the box and formulate their key objectives into a win-win game plan with a quality-driven approach that focuses on empowering key players to drive-up their core competencies and increase expectations with an all-around initiative to drive up the bottom-line. But of course, that's all a "high level" overview of things
--thedailywtf 3/21/06
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i've transfered a sql server database from win2k to winXP. It is working fine with the SQL Query analyzer and the Enterprise Manager. But in the asp.net pages it is displayig the error when i fill the sqldataadapter:
Exception Details: System.Data.SqlClient.SqlException: SQL Server does not exist or access denied.
It was working fine with the win2k. Please help!
Thanks in advance
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sometimes you need to add the users to the login/security section of EnterpriseManager.
Hope that helped?
Thanks.
Vani
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dansoft wrote: Exception Details: System.Data.SqlClient.SqlException: SQL Server does not exist or access denied.
It was working fine with the win2k. Please help!
In addition to what VK-Cadec indicated, did you change the name of the SQL server accoridingly? The ASP.NET app could still be looking for the old SQL Server.
Hope this helps.
-- modified at 2:09 Sunday 30th July, 2006
I'd love to help, but unfortunatley I have prior commitments monitoring the length of my grass. :Andrew Bleakley:
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DB: SQL Server 2005
I am trying to figure out how to check that a value exist before inserting/updating a record in a new table. Simplified Example below:
Product
Product_ID (int)
Product_Name (varchar(25))
Inventory
Inventory_ID (varchar(50))
Inventory_Product_ID (int)
Inventory_PO_Item_ID (int)
Inventory_Status (tinyint)
I need to make sure that the Inventory.Inventory_Product_ID exists in the Product.Product_ID table before the record in the Inventory table is inserted/updated. I could create a stored procedure to do this, but the problem still exist that a record could accidentally be manually added to the table without cheking first. (Plus, I would like to throw an error in the stored procedure if the Inventory_Product_ID does not exist in the Products table.) I read that you can not use Select statements in contraints or rules. Would this be an example of using a trigger. If so, I am not too familiar with triggers and would appreciate some guidance with this problem. Thank you in advance.
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Why not use a foreign key on Inventory_Product_ID to Product_ID?
how vital enterprise application are for proactive organizations leveraging collective synergy to think outside the box and formulate their key objectives into a win-win game plan with a quality-driven approach that focuses on empowering key players to drive-up their core competencies and increase expectations with an all-around initiative to drive up the bottom-line. But of course, that's all a "high level" overview of things
--thedailywtf 3/21/06
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I have a wireless network and sometimes there's a split-second hickup in the connection. The application disconnects and you have to relog in. Is there a way to overcome this with a SQLServer setting that allows the connection to stay up with a glitch in the connection.
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Why would you maintain an open sql connection? That is terrible desgin. SQL Connections should be closed as soon they are no longer in use. You should be storing the connection string in a variable somewhere and creating / disposing connections each time you need to access data.
how vital enterprise application are for proactive organizations leveraging collective synergy to think outside the box and formulate their key objectives into a win-win game plan with a quality-driven approach that focuses on empowering key players to drive-up their core competencies and increase expectations with an all-around initiative to drive up the bottom-line. But of course, that's all a "high level" overview of things
--thedailywtf 3/21/06
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Hi All,
I have a problem combining results of two queries. The queries are fired on the same table with the same select list, only the where condition changes. It would be better if i show what i actually want.
This is my table data for example.
Field1 Field2
AB 1
SD 2
SDFG 3
AS 4
QWE 5
BBG 6
I want an output as
Field1 Field2
AS 4
QWE 5
BBG 6
AB 1
SD 2
That means , if i give the value for Field2 = 3 in the query then the result will not contain record with Field2 = 3 and the result should display the record with Field2 > 3
first and the with Field2 < 3 both sorted in ascending order.
I am using the union operator for combining results, but the results are not as desired. Also i feel that the union clause is not efficient since it takes about 4-6 secs to fetch the records.
Is there any efficient solution for my problem. Please reply soon as i have already spent considerable time on this query and i am running short of time now.
Any help will be appreciable.
Thanks in Advance.
"A good programmer is someone who looks both ways before crossing a one-way street." -- Doug Linder
Anant Y. Kulkarni
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-- Try this
declare @field2 as int
set @field2 = 3
select field1, field2, case when
field2 > @field2 then 1
else 2 end as SortValue
from test where field2 <> @field2
order by SortValue, field2 asc
how vital enterprise application are for proactive organizations leveraging collective synergy to think outside the box and formulate their key objectives into a win-win game plan with a quality-driven approach that focuses on empowering key players to drive-up their core competencies and increase expectations with an all-around initiative to drive up the bottom-line. But of course, that's all a "high level" overview of things
--thedailywtf 3/21/06
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I have a data structure that i am storing a set of data in, that is manipulated, before being applied to the database on calling the Save() function.
The database has a unique field, say 'Name', that is constrained as being unique.
This lead me to notice a potential problem that could affect how Datasets work, and i'd like to avoid it without having to turn off the database constraints. The problem is as follows:
Code
====
Firstly, this code is run, adding two records by name to the dataset, and then saving it to the database.
<br />
obj.Add("AAA")<br />
obj.Add("BBB")<br />
obj.Save()<br />
Database
========
After running this code, the database table will look as follows:
id name
1 AAA
2 BBB
Code
====
Then we run the following code, which loads the table, renames the two records in the dataset using a Tower of Babel kind of name swap, and saves it back to the database.
<br />
obj.Load()<br />
obj["AAA"].Name = "---"<br />
obj["BBB"].Name = "AAA"<br />
obj["---"].Name = "BBB"<br />
obj.Save()<br />
Now, at this point, when it tries to do the save, the application should fall over (Assuming i understand how datasets work)
In effect, we have swapped the two item names, "AAA" and "BBB", so we would like the table to read as follows:
Database
========
id name
1 BBB
2 AAA
However, as only two records exist in the dataset, both flagged as 'Updated', the following queries are generated:
"UPDATE SET name = 'BBB' WHERE (id = 1)"
"UPDATE SET name = 'AAA' WHERE (id = 2)"
At which point, on executing the first query, it would attempt to update the database table to the following state:
Database
========
id name
1 BBB
2 BBB
Whereupon, it would crash, as the unique constraint is broken.
The only possible solution would be if microsoft (in all their wisdom) thought of this, and implemented some kind of update stack, which may also work, as all three updates would be applied in order, and no exceptions would be generated. (But i don't think they do as the update commands are handled by the data adapter and the rows merely have an update type indicator)
Will it work, or will in not?
Cheers guys
Tris
-- modified at 4:54 Sunday 30th July, 2006
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I just confirmed this problem - Still looking for a way around it tho.
<br />
private void btnSetup1_Click(object sender, EventArgs e)<br />
{<br />
DataSet1.EntityAliasRow dr;<br />
<br />
dr = (DataSet1.EntityAliasRow)dt.NewRow();<br />
dr.EntityID = 7;<br />
dr.EntityName = "AAA";<br />
dr.IsPrimaryName = false;<br />
dt.Rows.Add(dr);<br />
<br />
dr = (DataSet1.EntityAliasRow)dt.NewRow();<br />
dr.EntityID = 7;<br />
dr.EntityName = "BBB";<br />
dr.IsPrimaryName = false;<br />
dt.Rows.Add(dr);<br />
<br />
da.Update(dt);<br />
}<br />
<br />
private void btnSetup2_Click(object sender, EventArgs e)<br />
{<br />
DataSet1.EntityAliasRow dr1;<br />
DataSet1.EntityAliasRow dr2;<br />
<br />
da.Fill(dt, 7);<br />
<br />
dr1 = (DataSet1.EntityAliasRow)dt.Select("EntityName = 'AAA'")[0];<br />
dr2 = (DataSet1.EntityAliasRow)dt.Select("EntityName = 'BBB'")[0];<br />
<br />
dr1.EntityName = "---";<br />
dr2.EntityName = "AAA";<br />
dr1.EntityName = "BBB";<br />
<br />
da.Update(dt);<br />
}<br />
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Hello All,
I 've 2 tables say AA and BB.
AA has 2 cols AA_old,AA_new & BB has i field BB_old.
Both AA_old and BB_old has 2 same rows.
I need to replace the values of BB_old with the corresponding values of AA_new.Its like :--
AA BB
AA_old AA_new BB_old
1 11 1
2 22 2
i want to replace BB_old with AA_new: Result will be like
BB_old
11
22
values may repeat
Can anyone help me generate a query Plz.
Thank you.
Regards,
jeeva
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UPDATE BB SET BB_old = (SELECT AA_new FROM AA WHERE AA.AA_old = BB.BB_old)
It would be much easier to help you if you posted your actual table and field names. The above SQL is just weird - but it is clearly what you are trying to do.
--EricDV Sig---------
Some problems are so complex that you have to be highly intelligent and well informed just to be undecided about them.
- Laurence J. Peters
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Thanks for the help.
I got the table updated but when i try to update some fields using UI i get an error :-
Key column information is insufficient or in correct.
Too many rowswere affected by update
i cannot update it.
my query is like:-
UPDATE sales1 SET sid = (SELECT sid_new FROM sales2 WHERE sales1.sid = sales2.sid_old)
Plz find me a solution for this.
Regards,
Jeeva
-- modified at 4:51 Saturday 29th July, 2006
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Jeeva Mary Varghese wrote: Key column information is insufficient or in correct.
Too many rowswere affected by update
The Enterprise Manager will give you this error if you have more than one row that contains the same data in every column.
Solution: add a unique Identity column - and you will not get this error anymore (but, your UPDATE might error out when it attempts to create two rows with the same data in every column), or use the query analyzer to do your updates.
--EricDV Sig---------
Some problems are so complex that you have to be highly intelligent and well informed just to be undecided about them.
- Laurence J. Peters
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Hi, I am new to firebird database. I got "FirebirdSql.Data.Firebird.FbException" (arithmetic exception, numeric overflow, or string truncation
Implementation of text subtype 52 not located.) while trying to update my firebird database.
My code for updation is :-
Dim dbcon As IDbConnection = New FbConnection(connectionString)
dbcon.Open()
Dim dbcmd As IDbCommand= dbcon.CreateCommand
dbcmd.CommandText = sSQL
dbcmd.ExecuteNonQuery()
my query looks like this:- "UPDATE HISTORY_MASTER SET Status='RUNNING', WHERE Mkey='5e81f9859d223ea420aca993c647b839' AND Status='Start';" Please help me in that.
Thanks
Nicky
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Hi All,
greetings.In my appilcation i need to take two different data that is EmployeeName from Employee Table and ClientName from Client Table.How i can write it in a single SQL Query.
Can any one one give me the query please.
Thanks in Advance.
Babu
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