Forms Data Controls :: Merging All Tables In A Dataset?
Mar 27, 2010
I have a members section of a website where when they first register to become a member, they pick their top 5 sports personalities/stars. Then when they log in to the members area, I want to display members news which should show:
- at the top all new stories that have been their sportstar has been referenced to
- then all other news
(In the CMS, admins can edit a news story and they have 5 dropdowns of all the sportstars so they can for example have for a news story: Sportstar1=Tiger Woods, Sportstar2=David Beckham etc) So as a member, if I have selected David Beckham as one of my top 5s, then all news tagged with him via the CMS are displayed.
There may be a better way to approach it, but basically I am creating one DataSet, then firing off 5 SQL queries, each SQL query is like this:
[Code]....
Then in my Page Load I do this:
[Code]....
The problem is that my repeater is inl showing news for myStar1 i.e. it is nly showing the first table which will be called "News1".
So is there any easier way of doing this? Am I overcomplicating things?
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Jul 7, 2010
i m trying to bind my both grid with two tables which are in dataset i m trying but when i m binding my gridview it's always binding the second table see code
[Code]....
i already tried to bind both the gv1 and gv2 they both are displaying same table i.e department
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Mar 24, 2010
i have this xml file which i read using the DataSet.ReadXml( path ) method . The tables created from the Xml file is Related in such a maner that each product has many options. Product is in one table and Options are in another.Now all i want to do is display the related tables in One Gridview. For your reference below is the products Xml file,
[Code]....
Now this is what i have done in the Code behind , have a look below
[Code]....
Now the Grid works Great if i want to Display Individual tables out from Dataset but not when they are related . Please do shine your Knowledge on what should be done to display Child ~ Master relationship. By the way , its a definite NO for someone who would show me that link from msdn about displaying XML data using Xmldatasource and gridview [That's a lousy way to display data]
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Jan 15, 2010
I have a Listview control that DataBind programatically... ie I am NOT using SqlDataSource or such... I am attempting to sort a column... clicking on a link button that fires the "Sorting" event. So, after cliking on the column heading... I end up in this routine, where I hardcoded the .Sort = values (just for testing). The code is executed... but the RESULT show via Listview remains the SAME. No change!
How to fix this? I've seen some other posts examples that uses this event (ListView1_Sorting) and then sort via LINQ. I am not ready to try that...
Just want to know why dsPaymentList.Tables[0].DefaultView.Sort does not work?
I followed the example at: [URL]
protected void ListView1_Sorting(object sender, ListViewSortEventArgs e)
{
string sortExpression = e.SortExpression + " " + e.SortDirection;
DataSet dsPaymentList = new DataSet();
[Code]....
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Jan 7, 2011
I have three tables. I need to merge these three tables into one table. There is an ID column in all these three tables. The ID's can be same in all three tables or they can be different. If the IDs are same then I need to merge based on those ID's so if the ID 1 exists in Table A, table B and Table C then one row will be created in the resulting master tables, but if the Id's are different then one individual row will be created in each table.
Also, some of the columns are same in all three tables, but some are different, but if the ID is same then I just want to append that column in the existing table.
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Mar 4, 2011
I am getting Resultset from SQL server2005.It contains 4 tables.
Dataset ds=new Dataset();
ds=BLogiclayer1.TestMethod1(a,b,c,d);. This normal Dataset ds contains Resultset. ( I am working with RDLC reports. I added a Typed dataset to my project. I am using Typed Dataset as report dataset.) I want to add normal Dataset all the table values to Typed Dataset table as rows i. e. only one table in Typed dataset.I am trying like below.
//Typed Dataset name that I have added is salesdata.
salesdata sd=new salesdata();
for(int i=0;i<ds.Tables.Count ; i++)[code]....
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Mar 7, 2010
I am using aspnet_regsql.exe to add membership tables to my database.
when I click the exe file it just opens up an XML file in visual web developer and does not start the wizard to merge the databases.
the run command where file is located is below
C:WINDOWSMicrosoft.NETFrameworkv2.0.50727
I just get the file below opening instead
[Code]...
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Apr 23, 2014
VS2010/sqlserver/crystalreport13
I have a report which is runnin fine as it is using singe table Dataset(.xsd) . I want to expand the report and use more tables in it to show more information .
How can I do so. I am attaching my present code with this.
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim stdate, enddate As Date
Dim sql As String
start_date.Text = Session("startdate")
end_date.Text = Session("endate")
Dim dt As DateTime = DateTime.Parse(start_date.Text, System.Globalization.CultureInfo.GetCultureInfo("en-gb"))
[CODE]...
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Jun 8, 2010
My dataset table data is from multiple tables (showing on a gridview),How to update the database tables using batch udpate on clicking submit, if the data is from a signle table, no problem, but I am not sure how to handle if the datais from mulitiple tables? If I have related tables, do I need put them in differet tables in the dataset?
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May 19, 2010
I have a stored procedure that returns 3 tables within the single recordset it returns. If I set a SqlDataSource to get data from this procedure, it works, but it only returns the first table. I want to have a GridView display the data from the 2nd or 3rd table using a SqlDataSource, but I can't figure out how to specify a particular table.
While there are some posts discussing this out there, I can't get a definitive answer about whether or not this is even possible (?). In a worst-case scenario, I can create another SP that only returns the 3rd table - but that creates a little maintenance headache that I would prefer to avoid.
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Apr 7, 2010
I m having one dataset underwhich i have two DataTables ie Contact & Sales Order.In this two table my ContactId field is primary key in both the tables. I cot some code similar to the following code. But when i copy this code two my .net application it me an error saying semicolun expected ,etc as shown bellow.
Error 37 Invalid expression term 'in'
Because of this i m not able to test the code. can any body tell me how can i achive it . I kust want to inner join this two tables & want to store the result in another data table.
[code]....
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Dec 27, 2010
I have a couple of rss feeds i want to merge into one and show on my site. I know how to display one feed but haven't found a way of displaying several feeds.
[Code]....
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Jan 29, 2010
I have a dataset with 3 tables that are inner joined. Thsi dataset is connected to an object datasource which is connected to a gridview. So at runtime it displays data from the database. The problem is when I click on a save button to add information to the database it throughs me an error saying Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints. But if i have two tables in my dataset it works 100%. But the problem i need that 3 tables in order to pull the required information. And if i populate the gridview using code to select the information from the database and insert information it also works 100%.
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Apr 10, 2010
How to return multiple tables to dataset. My code is
string q = "select job_title,primary_skill,description from T12_Company_AddRequirement where job_code='JB1';select count(p_status) from T12_SentDetails where job_code='JB1'and p_status='Technical 1';select count(p_status) from T12_SentDetails where job_code='JB1'and
p_status='Technical 2';select count(p_status) from T12_SentDetails where job_code='JB1'and p_status='Technical 3';select count(p_status) from T12_SentDetails where job_code='JB1'and p_status='HR'";
SqlConnection con=new SqlConnection(s);
SqlDataAdapter da = new SqlDataAdapter(q, con);
DataSet ds = new DataSet();
da.Fill(ds);
Grid_description.DataSource = ds.Tables[0];
Grid_description.DataSource = ds.Tables[1];
Grid_description.DataSource = ds.Tables[2];
Grid_description.DataSource = ds.Tables[3];
Grid_description.DataSource = ds.Tables[4];
Grid_description.DataBind();
This code is returning error.
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Jul 29, 2010
I recieved a page to make some changes, and one of them is to change the hearders of a DataGrid. I'll have to merge some collumns.
I have searched a lot of solutions for cases similar to mine, but I couldn't make any of them work.
The code is above:
[Code]....
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Apr 29, 2010
I have a dataset that comprises of multiple tables (about 20) linked together with constraints to reflect the relational database. My question(s):
1) Will having multiple tables affect performance? I'm asking this as there are often times I would not need to get data for all the tables, but only for specific tables.
2) If it does affect performance, would breaking up the tables into their own datasets be the best solution. It seems to me that by doing that, you would lose the ability to apply constraints among tables and tables that might exist in multiple datasets will be subjected to replication.
I would like to have everything in one dataset as I get a view of the related tables and their relationships and also because the Fill method allow me to fill tables, maintaining the hierarchy of the data, but performance is still a key factor.
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Mar 22, 2011
I have two SQL queries that are stored procedures that have 2 variables that my web form will be supplying through text boxes. The two queries will produce two different results. I have read a couple of different of the MSDN articles online, including this one:
[URL]
that say that the tables must be similar to be able to merge them into a single datagridview. I know that datagridviews only like one table at a time, but I was curious if anyone had found a way to merge two dissimilar tables to one datagridview or not.
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Dec 21, 2010
I have a detailsview, template as follows:
[Code]....
Codebehind: creating dataset, getting data from sql with adaptor and filling into dataset object, then setting detailsview's datasource.
I add 2 button to above template to able to edit data at asp page, and added event handlers:buttons:
[Code]....
My question is, what to do inside the detailsview update event function to able to edit and update data. My method can be wrong too.
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May 20, 2010
I am pulling information from two different databases (structure is the same) and putting them into two datatables. The problem I am having is figuring how to merge the data togther in a single gridview and change cell background color for only the data in the second datatable.
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Aug 5, 2010
I have a gridview to populate some data and I am using the following function to merge the cells, rowwise. Now I want to apply alternate colors to the grouped cells.
[Code]....
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Jul 27, 2010
I have several cases in my database and for each case there is binary data. I am reading binary data for each case in a byte attray and saving it as a pdf file.I can succesfully open this pdf file.
protected string SavePdfFromDB(string caseNum)
{
string PDFFileName = string.Empty;
SqlDataReader dr = csiDelegate.DataReaderProcedure("GetReportFilenameForFileSystemNewestFile", [code]....
Can I read this binary data for multiple cases in the same byte aray and and save it as a pdf? Will this create a valid readable pdf?
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Jan 16, 2010
I Have a table containing columns Address1,Address2,Address3,State,City and Area.Now i want to apply search Location where there will be a single textbox where the user can enter multiple strings seperated by spaces and then those rows should be fetched which contains all these strings entered by the user (implementing AND Case). For which the search on rows should be applied by merging the data of all the above mentioned columns and then searched.How to implement the above case?
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Mar 16, 2011
I have 5 tables of which one has a primary key called "pid" as follows in patientdetails table the pid of a patient is used to compare the pid in remaining tables so the data in matching pid records can be stored in dataset. I tried using stored procedure to get them together in one dataset but it just doesent happen. This is my stored procedure,
[Code]....
I think the execution doesent proceed after the first if exists statements, because only the data in patientdetails is stored in dataset. and one more thing. all test tables need not contain a data against every pid in patientdetails table.
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Mar 9, 2011
In my project, i have a DBML file which is acting as a Data Access Layer. There one more utility method that is converting the existing result into dataset. Below is my method:
[code]....
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Sep 29, 2010
I have a C# problem I need to synchronize two MS Access tables from two different databases(two databases over a network) which is quite similar, I thought of using two different OleDbConnections and two DataAdapters to fill a Single DataSet and then manipulate the data in the DataSet, I think the source table (database with the primary data) should be loaded first (into the DataSet) then the secondary table from the remote database should subtract the existing records in the DataSet to get the difference then the difference should be Appended to the remote table, but I don't know how to remove the same records from the DataSet and to send the remaining records to the secondary database.
Here is some code I already have, but I don't know how to get this to work:
[Code]....
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