Tài liệu The DataSet Class pptx
Tài liệu The DataSet Class pptx
...
DataSet( string dataSetNameString)
where dataSetNameString is the string assigned to the DataSetName property of your
DataSet object. The setting of the DataSetName property is optional.
The ... example uses the DataSet( ) constructor to create a DataSet object:
DataSet myDataSet = new DataSet( );
The next example uses the DataSet( string dataSetNameString) construc...
Tài liệu The DataSet Class phần 2 ppt
... mySqlDataAdapter.Fill(myDataSet);
mySqlConnection.Close();
Notice the use of the Fill(myDataSet) method, which doesn't specify the name of the
DataTable to be created. Instead, the names of the two DataTable ... example, the following code changes the name of the Table DataSet to
Products and the Table1 DataSet to Customers:
myDataSet.Tables["Table"...
Tài liệu The DataSet Class phần 3 doc
... specifies whether changes in the current DataSet (the DataSet
with the Merge() method that is called) are to be kept.
• MyMissingSchemaAction specifies the action to take when the current DataSet ... ProductID";
DataSet myDataSet3 = new DataSet( );
mySqlDataAdapter.Fill(myDataSet3, "Products");
mySqlConnection.Close();
// merge myDataSet2 into my...
Tài liệu The DSXi™ Advantage pptx
... DSX i
™
Improvements over Traditional DSX Panels
The DSXi
™
Advantage
• Higher density (4" chassis)
• Physical separation of monitor and out ... space
Traditional Panel DSX
i
Panel Traditional Panel DSX
i
Panel
Reduced height equals greater density
The DSXi Advantage
Traditional Panel DSX
i
Panel
Traditional PanelDSX
i
Panel
Every circuit numbered
Tài liệu The OFDM Advantage pptx
...
commodity that is the most scarce, bandwidth. The
spectrum modulation scheme that is implemented by the
Homeworx platform makes the most efficient use of
bandwidth of any system on the market today. ... One version
The spectrum modulation
scheme that is implemented by
the Homeworx platform makes
the most efficient use of
bandwidth of any system on
the market today. In ad...
Tài liệu The DataColumn Class pdf
... automatically increments the
value of the column for new rows. The default is
false.
AutoIncrementSeed long Gets or sets the starting value for the DataColumn
object. Applies only when the AutoIncrement ... Gets or sets the caption for the column. The caption
for the column is shown in Windows forms. The
default is null.
ColumnName string Gets or sets the name o...
Tài liệu The iterator pattern pptx
... manipulate the individual members of the
collection.
Let’s move on to the purpose of the article, imple-
mentation of the Iterator design pattern.
The following UML class diagram shows the GoF
Iterator ... portions of their media collection to
other users. (For this example, do not concern yourself
with persistence and the like.)
Let’s start with the code in Listing 1 as...
Tài liệu The DataRow Class doc
... whether any of the
DataColumn objects in the DataRow have errors.
ItemArray object[] Gets or sets all the DataColumn objects in the DataRow.
RowState DataRowState Gets the current state of the ... current state of the DataRow. The state can be
Added, Deleted, Detached~FT, Modified, or Unchanged.
The state depends in the operation performed on the
DataRow and whether...