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c create strongly typed dataset from xml

Tài liệu Replacing Null Values in a Strongly Typed DataSet ppt

Tài liệu Replacing Null Values in a Strongly Typed DataSet ppt

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... xmlns="http://www.tempuri.org/CategoriesDS_AnnotatedNull.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com :xml- msdata" xmlns:codegen="urn:schemas-microsoft-com :xml- msprop" ... rows collection and display columns. foreach(CategoriesDS.CategoriesRow row in ds.Categories) [ Team LiB ] Recipe 2.19 Replacing Null Values in a Strongly Typed DataSet Problem When a column ... (annotatedRadioButton.Checked) { // Create the typed DataSet without null annotation. CategoriesDS_AnnotatedNull ds = new CategoriesDS_AnnotatedNull( ); // Fill the Categories table within DataSet. ...
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Tài liệu Modifying Data Using a Strongly Typed DataSet pptx

Tài liệu Modifying Data Using a Strongly Typed DataSet pptx

Kỹ thuật lập trình

... FindByCustomerID() method. You can check if a column value contains a null value using methods such as IsContactNameNull(), and you can set a column to null using methods such as SetContactNameNull(). You'll ... sqlConnection1.Close(); } Feel free to compile and run the example form. Modifying Data Using a Strongly Typed DataSet In Chapter 10, you saw how to create and use a strongly typed ... You'll find a completed VS .NET example project for this section in the StronglyTypedDataSet2 directory. You can open this project in VS .NET by selecting File ➣ Open ➣ Project and opening...
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Tài liệu Controlling the Names Used in a Strongly Typed DataSet pdf

Tài liệu Controlling the Names Used in a Strongly Typed DataSet pdf

Kỹ thuật lập trình

... typedNameDataRowCollection TableName typedPluralDataRow TableNameRow typedNameDataColumn DataTable.ColumnNameColumnDataRow.ColumnName typedNameProperty PropertyNametypedNameChild accessor GetChildTableNameRows ... xmlns="http://www.tempuri.org/CategoriesDS_AnnotatedName.xsd" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com :xml- msdata" xmlns:codegen="urn:schemas-microsoft-com :xml- msprop" ... SqlDataAdapter("SELECT * FROM Categories", ConfigurationSettings.AppSettings["Sql_ConnectString"]); if (annotatedRadioButton.Checked) { // Create the typed DataSet with name...
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Tài liệu Saving and Loading a DataSet from XML pptx

Tài liệu Saving and Loading a DataSet from XML pptx

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... and create a DataSet from an XML file. Solution Use the XmlTextWriter and XmlTextReader classes. The sample code contains three event handlers: Write Button.Click Creates a DataSet containing ... FileAccess.Write); // Create an XmlTextWriter using the file stream. XmlTextWriter xtw = new XmlTextWriter(fs, Encoding.Unicode); try { // Write the XML to the file. ds.WriteXml(xtw, ... FileAccess.Read); // Create an XmlTextReader using the file stream. XmlTextReader xtr = new XmlTextReader(fs); try { // Read the schema into the DataSet. DataSet ds = new DataSet( ...
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Strongly Typed Object SQL

Strongly Typed Object SQL

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... java.sql.Struct interface, the Struct class also has the following proprietary constructor and methods, all of which can throw a SQLException: STRUCT STRUCT(StructDescriptor type, Connection conn, Object ... which can throw a SQLException: OracleConnection getConnection( ) StructDescriptor getDescriptor( ) STRUCT getSTRUCT( ) Object getValue( ) Object getValue(Dictionary map) boolean isConvertibleTo(Class ... OracleConnection getConnection( ) StructDescriptor getDescriptor( ) Datum[] getOracleAttributes( ) boolean isConvertibleTo(Class jClass) Object toJdbc( ) 15.7.5 REF Implements Ref The oracle.sql.REF...
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Tài liệu Getting Typed DataRows from DataViews doc

Tài liệu Getting Typed DataRows from DataViews doc

Kỹ thuật lập trình

... DataRowView object is used to return the underlying DataRow object. The typed DataSet classes—including the DataTable, DataColumn, and DataRow objects—inherit from the ADO.NET disconnected classes ... objects contain DataRowView objects. The Find( ) method of the DataView returns the index of the row matching the specified search criteria. You can use the index to get a single DataRowView from ... catch (Exception ex) { MessageBox.Show(ex.Message); } } Discussion The DataView indexer in C# or Item property in VB.NET allows access to the DataRowView objects, or Windows Form control...
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Tài liệu Pass a Dataset Back from an XML Web Service docx

Tài liệu Pass a Dataset Back from an XML Web Service docx

Cơ sở dữ liệu

... btnLogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogin.Click Dim wsSec As localhost.SecurityServices wsSec = New localhost.SecurityServices() If wsSec.TestUserPassword(Me.txtUser.Text, ... object (see Figure 13.14). Otherwise, a message box appears saying that you cannot see the data. 1. Open the SecurityWebServices Web Service project you created in How-To 13.2. Add the code from ... xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com :xml- msdata"> - <xs:element name="NewDataSet" msdata:IsDataSet="true">...
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Calling C from MATLAB

Calling C from MATLAB

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... tic ; B = ddom(A) ; toc tic ; B = ddomloops(A) ; toc Since not every loop can be accelerated, writing code that has no for or while loops is still important. As you become practiced ... (mxMalloc, mxFree, and mxCalloc) are much easier to use than their ANSI C counterparts. If a memory allocation request fails, the mexFunction terminates and control is passed backed to ... world\n") ; } Compile and run it by typing: mex hello .c hello If this is the first time you have compiled a C MEX-file on a PC with Microsoft Windows, you will be prompted to select a C compiler....
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Retrieve XML from SQL Server 2000

Retrieve XML from SQL Server 2000

Cơ sở dữ liệu

... xrCust(intCurrAtt) & vbCrLf Next Else strOut &= xrCust.Value & vbCrLf End If End If End While Catch excp As Exception strOut &= "Following Error Occurred: ... using the BuildCnnStr() function throughout this book. You should add this function to a module or copy it from other chapters. Here is the code for the function: Function BuildCnnStr(ByVal ... will create a Command object with the Transact-SQL SELECT statement that you want to execute. However, at the end of your SQL statement, you will add the clause FOR XML mode. The mode can be...
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Developing XML Web Services Using Microsoft Visual C#™ .NET Beta 2

Developing XML Web Services Using Microsoft Visual C#™ .NET Beta 2

Chứng chỉ quốc tế

... Service Architectures Overview 1 Service-Oriented Architecture 2 Web Service Architectures and Service-Oriented Architecture 5 Roles in a Web Service Architecture 9 The Web Services Programming ... root directory of the compact disc, double-click Default.htm or Autorun.exe. x Developing XML Web Services Using Microsoft® Visual C# ™ .NET Beta 2 Student Materials Compact Disc Contents ... Web Services in a UDDI Registry Developing XML Web Services Using Microsoft® Visual C# ™ .NET Beta 2 ix Trainer Materials Compact Disc Contents The Trainer Materials compact disc contains...
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