... Recipe 10.2 Retrieving DatabaseSchema Information from SQL Server Problem You need to retrieve databaseschema information from a SQL Server database. Solution Retrieve table schema information ... conn.Open( ); // Get the schema table. schemaTable = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] {null, null, null, "TABLE"}); conn.Close( ); schemaDataGrid.CaptionText ... uses the GetOleDbSchemaTable( ) method of the OleDbConnection object. This method returns schema information from a database as indicated by a GUID enumerated in the OleDbSchemaGuid class and...
... or copy it from other chapters. Here is the code for the function: Function BuildCnnStr(ByVal strServer As String, ByVal strDatabase As String) As String 12.4 Retrieve XMLfrom SQL Server ... Sometimes I have to pull data from my SQL Server database into an XML document format. How do I do that with SQL Server 2000? Technique To accomplish this task, you will create a Command object ... look like this: SELECT * FROM Customers FOR XML RAW To execute the SQL statement in this case, you use the method ExecuteXMLReader. When you use this method, an XMLReader is returned. You...
... version of XML schemas known as XDR (XML Data Reduced) Schemas. When the W3C finalizes what will be in an XML schema, Microsoft will help customers migrate from XDR schemas to XML schemas. In ... Validating XML Data Using Schemas The following example is a minimal XMLschema document: < ?xml version="1.0"?> < ;Schema name="mySchema" xmlns="urn:schemas-microsoft-com :xml- data" ... xmlns="urn:schemas-microsoft-com :xml- data" xmlns:dt="urn:schemas-microsoft-com:datatypes"> < /Schema& gt; Applying the XMLschema to a static document To apply an XMLschema to a static XML document,...
... 13.2 Create a Simple XML Web Service Using Parameters I have seen how to create a Web Service using the sample that Microsoft provides. This was instructive but not very useful. How do I create ... returned; otherwise, False is returned. 1. Create an ASP.NET Web service project, calling it SecurityWebService. 2. Highlight the default .asmx file created in the Solution Explorer, renaming ... going to create the start of a security Web Service. This security Web Service is going to take in two parameters: Login Name and Password. It will then check against a table that you will create...
... an Image from a Database in a Web Forms Control Problem You need to display an image from a database column in an ASP.NET control. Solution Fill an ASP.NET Image control from a database field ... page that outputs a binary stream containing the image from the database. 2. Create a SQL statement to retrieve the required image from the database and retrieve the image using a DataReader. ... retrieves the required image from the database and serves it to the Image control on the web page that the client sees. The following steps outline the required tasks: 1. Create a web page that outputs...
... [ Team LiB ] Recipe 7.8 Displaying an Image from a Database in a Windows Forms Control Problem You need to display an image from a database in a Windows Forms control. Solution Read ... Command object are created and used to retrieve the Photo binary field for the employee record into a Byte array. A MemoryStream object is created from the Byte array. The static FromStream( ) method ... bm; // . . . private void DisplayDatabaseImageForm_Load(object sender, System.EventArgs e) { // Create the DataSet. ds = new DataSet( ); // Create the DataAdapter and retrieve the...
... Group (OMG). XMLSchema is an emerging standard from W3C. XMLSchema isa language for defining the structure of XML document instances that belong to a specific documenttype. XMLSchema can be ... 1998. Seehttp://www.w3.org/TR/REC -xml [XSDL] XMLSchema Part 1: Structures, David Beech et al. See http://www.w3.org/TR/xmlschema-1/[XMLNS] Namespaces in XML, Tim Bray, David Hollander, Andrew ... a XMLSCHEMA schema.Some of these also apply to associations:• The <<content>> stereotype applies to aggregation associations for parts of XML Schema content models.• The XML...
... Typically, the XML data packet includes a mixture of content: ! XML data created from user input ! XML data retrieved fromXML data islands or XML documents Creating XML data from user input ... Posting XML Data from Client to Server Sending XML Data from Client to Server !Client creates an XML data packet and posts it to the serverClient Web server XML DOM tree1XMLHTTPobject2XMLDOMobject4 XML ... demonstration, you will learn how to create an XMLDOM object on the client and populate it with a mixture of boilerplate XML data, XML data from a data island, and XML data based on user input....
... Displaying Data from a Database #### Retrieving Data from a Database !Demonstration: Importing a Database to the Current Web!Demonstration: Connecting to a Database by Using Database ... 1. Importing the database to the current Web. 2. Establishing a connection with the database. 3. Displaying data from the database. FrontPage 2000 provides an easy way to create the Web pages ... server-side scripting environment, to create dynamic Web pages. FrontPage allows you to collect, store, and retrieve information from databases. To access a databasefrom within a FrontPage-based application,...