ADO.NET :: Append Records Into A Table From Dataset?
Jan 7, 2011
I am fairly new to Vb.net. I have succesfully populated Dataset from a Text file using Schema.ini.
However I acually want to append these records into a Table and cannot figure it out.
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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...
[Code]....
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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Jan 11, 2011
I'm trying to DataBind a DataSet to a GridView in VB but I need to remove certain records from the DataSet that have the ID present in another table.
Here's my DataBind:
[Code]....
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May 27, 2010
i have 500 records to show in webpage. i am using DataList in that webpage. if i use direct binding it is slowing down the performance of the page and is taking time to load. now i have used update panel and i want to append data records by records(i want to append as first 50records and then next 50 records something like)
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Sep 18, 2010
i create a loop for select data from one table based on different condition.
e.g.
for ......
select * from [table] where condition 1
select * from [table wheere condition 2
i have a problem, how can i fill each select into one dataset
since i want to display all and bind into gridview
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Apr 2, 2012
How to append a records from one data table to another data table.
In both the data table, I am having a similar columns.
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Jan 10, 2011
i am working on Accounting software.in this software i am to implement voucher entries form.In this form on page load a table (two rows and four columns) should be created after that one row should be appended to that table dynamically on button click event.
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May 31, 2010
I have a datagrid control which is bound to a table which containing more than 1000 records. And i want to show only 25 records once a time. I have used paging in datagrid. But each time the next page index is set, query is fired again. This takes lots of time. So what is the easiest way to bound data in this case to improve performance.
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Mar 15, 2011
I am using oracle as back end. In database there is a table with 5000 records and 160 columns. i want to display all these records in gridview(in asp.net, c#). But it takes more than 10 minutes to fill the dataset.
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Jun 18, 2010
how to copy from one table to another table in dataset using c#
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Aug 27, 2010
I have 2 tables in SqlServer 2008.
Table1: T1id, SomeData
Table2: T2id, T1id, SomeData
I am using DataAdapter.FillSchema to create shema of tables in DataSet. I created DataRelation on columns
T1id in both tables.
Now when i try to Update Sql Database T1id in Table2 remains 0 and not the value of T1id in Table1.
I can successfully update Sql Database if i fill DataSet with records first (Using DataAdapter.Fill), but that's not what i want to do. I don't need "old" records in my dataset. I want to use dataset just to store all imputs from user until the proccess is done and then insert all those records "at the same time".
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Oct 29, 2010
I have two tables for storing language translations - tblEN and tblES. They have the same structure which is nvcEnglish and nvcLocal - both nVarChar fields.
In nvcLocal of the Spanish table, I enter the Spanish translations of words and phrases used within my app. Problem is, when I add a bunch of new records to the English table I also have to go in and repeat the data entry into the Spanish table. I am wondering if there is a way to import the newly added records into the Spanish table using Transact SQL?The plain language query would be something like:
If the data in tblEN.nvcEnglish does not exist in tblES.nvcEnglish then insert a new row into tblES with the values from tblEN
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Mar 26, 2010
I have a situation where i have a dataset with many, many rows but few columns (5). Lets say in one row i have A,B then somewhere else in the dataset i could have another row that has B,A. What i want to do is if A,B exists then remove the row where B,A exists.
How does one go about doing this?
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Jun 8, 2010
how to retrieve all records of dataset for calculation with each record? with sample coding.
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May 21, 2010
i have one dataset ds1 which have say 5 cols. (eg id,name,marks,age,sex)
i want to copy only id,marks age into other dataset ds2. using loop or any methods.
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Apr 29, 2010
I am using dataset which contains some records I want to query with dataset to get every time next 20 records. I don't want to do it throught loop is there any way that I can get next 20 records everytime.
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May 7, 2015
Aspx code:
MembershipUser m_user = Membership.GetUser();
DataTable dt = new DataTable();
dt.Columns.Add("SenderUser");
dt.Columns.Add("RcvUser");
dt.Columns.Add("Message");
foreach (ListItem li in lst_Users.Items) {
[Code] ....
I am calling "Application object" from above aspx page into web service page as below:
[WebMethod(EnableSession = true)]
[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
public string WebMessage() {
List<string> list = new List<string>();
DataTable dt = ((DataTable)HttpContext.Current.Application["Message"]);
[Code] ....
I want to know that the approach im using in Web service page to fetch top 5 messages from Datatable is correct or not? How to do that without using LINQ as I am using framework 2.0 ...
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Aug 7, 2010
I have two tables and I want to display the second one based on the primary key:
the first table is tbl1 (id,fName,lName), and the second one is scnds(id,course,tbl1id).
I am practice using MVC 2.0, so I bulilt the the class repository
[Code]....
Then created the Studentcontroller
[Code]....
The problem is if I used Details method it will show only the first record, but I want to display every course that specific a student has. I don't know if the problem in repository or in the controller.
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Sep 3, 2010
I dont know why my GridView.DataSource is become nothing when the Page.IsPostBack = true.What i did is bind the dataset to the GridView.DataSource when page load. Then when the button click event is trigger i need to get all the records from GridView. But when i debug and check i found that the GridView.DataSource is become nothing. how should i get all records from the GridView and assign to dataset. I'm using VB.net to work on.
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Mar 25, 2010
I have an xml file with this structure:
[Code]....
I need to make a dataset and put into a grid or repeater with the records that have <show>1</show>. Can anyone point me in the right direction?
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Apr 2, 2010
Does dataset store all its datatables' records into server memory if I just call one datatable from it?Lets make an example, a dataset with three datatables - tbCompany, tbCompanyStaffs, tbSalesOrderwhere tbCompany is the parent of tbCompanyStaffs. tbSalesOrder is an independant table.Does dataset load all tbCompanyStaffs records into the server memory as well when a class retrive data from tbCompany?
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Dec 29, 2010
I need some basic guidance on how I can get my Dataset to insert into a single table instead of sending it to a datagrid.
I get the following columns from DS.Tables["ItemAttributes"]:
Manufacturer
ProductGroup
Title
Item_Id
I get the following columns from DS.Tables["Item"]:
ASIN
DetailPageUrl
Item_Id
Items_Id
Item_Id from DS.Tables["Item"] and DS.Tables["ItemAttributes"] are the same
So I would like to insert the data into a table named amaz with columns as follows
Item_Id
ASIN
Manufacturer
ProductGroup
Title
My DataSet is fetched using the following code, There can be upto 10 rows in the dataset
[code]....
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Aug 7, 2010
I fill the data set twice, the table name never set correctly.
I see only one table in the DataSet What is chances?
[code]...
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Feb 15, 2011
I have a service that runs to error below. It errors at two methods one at timer_elapsed because it in turn is calling another method
GetFolderAndAddWatcher(). I' m tring to debug this and unable to figure out why? Here is my code for these two methods. I know that it is not able to find the data set but cannot figure out how I could fix this
[Code]....
An error occurred in the following application: PSXSTL.Service.MoveProofFiles
In the following module:
The Source was: System.Data
With the Message: Cannot find table 0.
Stack Trace: at System.Data.DataTableCollection.get_Item(Int32 index)
at MoveProofFiles.MoveProofFile.GetFolderAndAddWatcher() in C:$SERVICES2008PSXSTL.Service.MoveProofFilesMoveProofFile.vb:line 240
at MoveProofFiles.MoveProofFile.Timer1_Elapsed(Object sender, ElapsedEventArgs e) in C:$SERVICES2008PSXSTL.Service.MoveProofFilesMoveProofFile.vb:line 177
Target Site: System.Data.DataTable get_Item(Int32)
Additional Info: Error occurred in /Timer1_Elapsed
at System.Data.DataTableCollection.get_Item(Int32 index)
at MoveProofFiles.MoveProofFile.GetFolderAndAddWatcher() in C:$SERVICES2008PSXSTL.Service.MoveProofFilesMoveProofFile.vb:line 240
at MoveProofFiles.MoveProofFile.Timer1_Elapsed(Object sender, ElapsedEventArgs e) in C:$SERVICES2008PSXSTL.Service.MoveProofFilesMoveProofFile.vb:line 177
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
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Feb 22, 2011
I have an asp.net application using visual studio express 2008. On one of my pages I created a dataset from one of my database tables. I am able to delete rows and add rows to the new dataset table. I then have a button and on the click event I use the commandbuilder to update the database table. The database table updates with new rows but the deleted rows are not carried out and I can not figure out why desite spending several hours on google to resolve this issue?
Here is some of my code:
Protected Sub Button_updateDatabase_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button_updateDatabase.Click
Try
'I have created a session variable for my data adapter
Dim commandbuilder As SqlCommandBuilder = New SqlCommandBuilder(Session("Adapter"))
Session("Adapter").UpdateCommand = commandbuilder.GetUpdateCommand
Session("Adapter").DeleteCommand = commandbuilder.GetDeleteCommand
'I created a session variable for my dataset
'This update command updates new rows to my database table but not deleted rows
Session("Adapter").Update(Session("CalendarDataset"), "Name")
Catch ex As Exception
Response.Write(ex.Message)
End Try
End Sub
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