i need to update records from one table to the other (this for the master Table and f«the same for the DetailTable. first a position the record of the record´s of the table i want to copy update from: Tabelamestre(Local_deste_cliente) (1 record ) NInterv.text:=dbedit1.text; Begin with ADOTable_casa do Begin Close;...
I am attempting to add a scalar query to a dataset. The query is pretty straight forward, it's just adding up some decimal values in a few columns and returning them. I am 100% confident that only one row and one column is returned, and that it is of decimal type (SQL money type). The problem is that for some reason, the generated met...
Hi everyone, I'm new to SQL Server reporting services, and am trying to decipher an existing report. It's nothing too bad, but I notice it does have two report datasets defined. (They are generated via separate stored procedures) I'm trying to figure out where and how the report datasets are linked together so the Fields collection h...
I am going to be developing a large project which will include a large number of ComboBoxes. Most of these combo boxes will be bound to a database field which is a related to another daataset/table. For instance. I have the following 2 tables: Company {CompanyID, CompanyName, MainContact} Contacts {ContactID, ContactName} And when t...
In visual studio datasource designer is there any way to refresh a table and its relations/foreign key constraints while keeping the custom queries? The way I am doing it at the moment is removing the table and adding it again. This adds all the relations and refreshes all fields. Also if I change a fields data type, is there a way to ...
What is the impact of creating variables using: Dim ds as New DataSet ds = GetActualData() where GetActualData() also creates a New DataSet and returns it? Does the original empty DataSet that was 'New'ed just get left in the Heap? What if this kind of code was in many places? Would that affect the ASP.NET process and cause...
Hi. I have column SomeId in table SomeLink. When I look with tOra or Sql Plus Worksheet both state: tOra: Column name Data type Default Null Comment SOMEID INTEGER {null} NOT NULL {null} Sql Plus: SOMEID NOT NULL NUMBER(38) I have authored a method that's intended to give default values to all...
Dear all, I am doing a project in which I am working on security issues related to smart phones. I want to develop an authentication scheme which is based on biometrics, Every human being have a unique key-hold time,digraph time error rate. Key-Hold Time : Time difference between pressing and releasing a key Digraph Time : Time differ...
I've got a mysql dataset that contains 86 million rows. I need to have a relatively fast search through this data. The data I'll be searching through is all strings. I also need to do partial matches. Now, if I have 'foobar' and search for '%oob%' I know it'll be really slow - it has to look at every row to see if there is a match. ...
I'm changing my dataset in my program. And when my job was finished, I'm connecting to mysql database. I don't want to do this job again, how can I send changings to database like this mydatadapter.Update(dataset, " table"); I found this code, but I can't run it :S ...
Hello all I'm having a requirement where i've to save a dataset which has multiple tables in it in a sql table XML column by converting into an XML. The problem is that in some cases the dataset grows extremely huge and i get OutOfMemoryException. What i basically do is that i convert the dataset into an xml file and save it in the lo...
Hello, C# 2005. I have a dataset with 3 tables, and I would like to get the xml for just one of these tables. Any idea? TY ...
Hello I'm trying to read a dataset as xml and load it into an XML Document. XmlDocument contractHistoryXMLSchemaDoc = new XmlDocument(); using (MemoryStream ms = new MemoryStream()) { //XmlWriterSettings xmlWSettings = new XmlWriterSettings(); //xmlWSettings.ConformanceLevel = ConformanceLevel.Auto; using (XmlWriter xmlW = ...
I have to consume a .NET hosted web service from a Java application. Interoperability between the two is usually very good. The problem I'm running into is that the .NET application developer chose to expose data using the .NET DataSet object. There are lots of articles written as to why you should not do this and how it makes interopera...
Hi folks, I am currently trying to load a slightly large xml file into a dataset. The xml file is about 700 MB and every time I try to read the xml it needs plenty of time and after a while it throws an "out of memory" exception. DataSet ds = new DataSet(); ds.ReadXml(pathtofile); The main problem is, that it is necessary for me to u...
Hello all I'm stuck in a huge problem where i need to handle huge data. I get a data set which has 5 datatables. One of the tables has around 3000 columns and 50,000 records. I need to save this dataset completely in the SQL database as XML and i need to retrieve it later. I CAN'T make any design changes to skip it. When i do dataset...
Hello all I have saved a dataset in the sql database in an xml column using the following code. XmlDataDocument dd = new XmlDataDocument(dataset); and passing this xml document as sql parameter using param.value = new XmlNodeReader(dd); The XML is like <NewDataSet><SubContractChangeOrders><AGCol>1</AGCol><SCO_x0020_Number>001</SC...
I have searched the net and searched the net only to not quite find the probably I am running into. I am currently having an issue getting a SqlDataAdapter to populate a DataSet. I am running Visual Studio 2008 and the query is being sent to a local instance of SqlServer 2008. If I run the query SqlServer, it does return results. Code...
I wanna update my database from my dataset. mydataadapter = new MySqlDataAdapter("SELECT * FROM table0; SELECT * FROM table1; SELECT * FROM table2;", con); myda.Fill(dataset); //...... // for example I'm doing a change like this ds.Tables[2].Rows[1][3] = "S"; //Then updating the database MySqlCommandBuilder com = new MySqlCommandBuild...
Using c# asp.net webforms vs2008 I have a constant problem When i have created a webforms page, then i create a sqladaptor in the component designer area. Then i right-click the dataadaptor to auto create a dataset. Most of the time the dataset is created ok and included automatically to the solution. BUT.... every single time, withou...