reading xml from sql server c

... 12.4 Retrieve XML from SQL Server 2000 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 ... mode, check out the SQL Server Books Online. For this example, the code will use the RAW mode and look like this: SELECT * FROM Customers FOR XML RAW To execute the SQL statement in this case, ... xrCust(intCurrAtt) & vbCrLf Next Else strOut &= xrCust.Value & vbCrLf End If End If End While Catch excp As Exception strOut &= "Following Error Occurred:...

Ngày tải lên: 17/10/2013, 21:15

... xmlTextBox.Text = ds.GetXml( ); Discussion SQL Server 2000 introduced support for retrieving data in XML format using the FOR XML clause. The .NET SQL Server data provider SqlCommand object ... has an ExecuteXmlReader( ) that allows you to retrieve an XML stream directly from SQL Server, where it returns an XmlReader that contains the results of the SQL query. The ExecuteXmlReader( ... method can only be used with SQL statements that return XML data, such as those with a FOR XML clause. The ExecuteXmlReader( ) method can also be used to return ntext data containing valid XML. ...

Ngày tải lên: 24/12/2013, 05:15

... accessible from the data source Character_Sets Character sets Check_Constraints Check constraints Check_Constraints_By_Table Check constraints defined for a catalog Collations Character collations ... Provider-specific literals used in text commands Foreign_Keys Foreign key columns Indexes Indexes Key_Column_Usage Columns constrained as keys } else { OleDbConnection conn = new OleDbConnection( ... Description CHECK CONSTRAINTS CHECK constraints COLUMN_DOMAIN_USAGE Columns that have a user-defined data type COLUMN_PRIVILEGES Columns with a privilege granted to or by the current user COLUMNS...

Ngày tải lên: 24/12/2013, 05:15

... da.FillSchema(ordersTable, SchemaType.Source); da.Fill(ordersTable); SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); ... ] Recipe 10.3 Retrieving Column Default Values from SQL Server Problem The DataColumn object exposes a Default property. While the FillSchema( ) method of the DataAdapter returns schema ... constraint type of DEFAULT on column Freight. In the solution, a result set is created from the system stored procedure sp_helpconstraint specifying the Orders table. The constraint_type column...

Ngày tải lên: 24/12/2013, 05:15

... "SELECT Scope_Identity( ) CategoryId"; da.InsertCommand = new SqlCommand(sqlText, da.SelectCommand.Connection); da.InsertCommand.CommandType = CommandType.Text; Batch SQL commands do not support ... if(outputParametersCheckBox.Checked) da.InsertCommand.UpdatedRowSource = UpdateRowSource.OutputParameters; else if(firstReturnedRecordCheckBox.Checked) da.InsertCommand.UpdatedRowSource = [ Team ... return the data source identity value. if(outputParametersCheckBox.Checked && firstReturnedRecordCheckBox.Checked) da.InsertCommand.UpdatedRowSource = UpdateRowSource.Both; else if(outputParametersCheckBox.Checked)...

Ngày tải lên: 21/01/2014, 11:20

... SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); SqlCommand cmd = new SqlCommand(sqlText, conn); // Fill the DataReader with constraint ... ParentColumn, kcuC.COLUMN_NAME ChildColumn FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS rc LEFT JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE kcuP ON rc.UNIQUE_CONSTRAINT_NAME = kcuP.CONSTRAINT_NAME ... "kcuP.TABLE_NAME ParentTable, kcuC.TABLE_NAME ChildTable, " + "kcuP.COLUMN_NAME ParentColumn, kcuC.COLUMN_NAME ChildColumn " + " ;FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS...

Ngày tải lên: 21/01/2014, 11:20

Ngày tải lên: 26/01/2014, 11:20

... true. SQL Server faces competition from other databases, not only from other Microsoft products such as Microsoft Access and Microsoft Visual FoxPro, but also from competitors such as Oracle, ... minimum recom- mendations are and how you can check your own computer to ensure that you have sufficient resources. CPU The minimum recommended CPU that SQL Server will run on is a 1GHz processor ... handling small e-commerce and intranet applications, and was a fraction of the cost of its competitors. 1996 SQL Server 6.5 SQL Server was gaining prominence such that Oracle brought out version...

Ngày tải lên: 18/10/2013, 07:15

Ngày tải lên: 26/10/2013, 02:20

... // Create the connection and command. SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); SqlCommand cmdWrite = new SqlCommand(sqlWrite, ... SqlConnection conn = new SqlConnection( ConfigurationSettings.AppSettings[" ;Sql_ ConnectString"]); // Create the command to retrieve the image from the database. String sqlText ... da.UpdateCommand = new SqlCommand(updateCommand, da.SelectCommand.Connection); da.UpdateCommand.CommandType = CommandType.Text; da.UpdateCommand.Parameters.Add("@Id", SqlDbType.Int,...

Ngày tải lên: 14/12/2013, 18:16

... SELECT TOP 3 CustomerID, CompanyName, ContactName FROM Customers ORDER BY CustomerID FOR XML RAW Note This SELECT statement is contained in a T -SQL script named ForXmlRaw .sql, which ... Parent, C. CustomerID, C. CompanyName, C. ContactName, O.OrderID, O.OrderDate FROM Customers C, Orders O WHERE C. CustomerID = O.CustomerID AND C. CustomerID = 'ALFKI' FOR XML ... a CustomerID of ALFKI: SELECT 2 AS Tag, 1 AS Parent, C. CustomerID, C. CompanyName, C. ContactName, O.OrderID, O.OrderDate FROM Customers C, Orders O WHERE C. CustomerID = O.CustomerID...

Ngày tải lên: 14/12/2013, 22:15

... discus- sion of XML Schema collections and typed XML. This chapter also compares the SQL Server XML Schema implementation to the W 3C standard and describes how to implement your own custom XML ... “What is XML? ” Readers who already have knowledge of XML can skip this chapter. Chapter 2 Chapter 2 discusses the FOR XML clause and other legacy SQL Server XML support, such as the OPENXML rowset ... discussing .NET XML support. With the .NET XML function- ality, you can create SQLCLR routines that access remote XML data and services, perform legacy DTD and XML Data-Reduced (XDR) schema validations,...

Ngày tải lên: 17/12/2013, 02:15

... include character references in the example. Character references come in two forms: character entity references and numeric character references. XML defines a small set of predeclared character ... constrained by assigning an xml instance to an XML schema collection. The XML schema collection contains XML schemas that are defined per the W 3C XML Schema Recommendation. XML schemas provide a flexible ... special characters will cause XML parsers to reject the XML during processing. Table 1-1 lists the predeclared character entity references supported by XML. Table 1-1. XML Predeclared Character...

Ngày tải lên: 17/12/2013, 02:15

... Connect to SQL Server from ASP.NET using Windows Authentication in SQL Server. Discussion Connecting to a SQL Server database provides two different authentication modes: Windows Authentication ... LiB ] Recipe 1.8 Connecting to SQL Server Using Integrated Security from ASP.NET Problem You want to coordinate Windows security accounts between an ASP.NET application and SQL Server. Solution ... authenticating a connection. SQL Server Authentication Uses a SQL Server login account providing a user ID and password. Integrated security requires that the SQL Server is running on the same computer...

Ngày tải lên: 24/12/2013, 05:15

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