UniDataAdapter Constructor(String,String)

In This Topic

Initializes a new instance of the UniDataAdapter class with a SelectCommand and a connection string.

Syntax

Visual Basic
C#

'Declaration
 
Public Function New( _
   ByVal selectCommandText As String, _
   ByVal selectConnectionString As String _
)

public UniDataAdapter( 
   string selectCommandText,
   string selectConnectionString
)

Parameters

selectCommandText: A System.String that is a SELECT statement to be used as the CommandText of the SelectCommand property of the UniDataAdapter .
selectConnectionString: The connection string.

Example

The following example creates a UniDataAdapter, sets some of its properties, retrieves data from a table, and displays it.

csharp

public void CreateDataAdapter()
{
  UniDataAdapter myAdapter = new UniDataAdapter("SELECT DeptNo, DName FROM Test.Dept", "Provider=SQL Server;Data Source=SERVER;Initial Catalog=Northwind;User ID=sa");
  myAdapter.MissingSchemaAction = MissingSchemaAction.AddWithKey;
  DataSet myDataSet = new DataSet();
  myAdapter.Fill(myDataSet,"Departments");
  //Get all data from all tables within the dataset
  foreach(DataTable myTable in myDataSet.Tables)
  {
    foreach(DataRow myRow in myTable.Rows)
    {
      foreach (DataColumn myColumn in myTable.Columns)
      {
        Console.Write(myRow[myColumn]+"\t");
      }
      Console.WriteLine();
    }
    Console.WriteLine();
  }
}

Visual Basic

Public Sub CreateDataAdapter()
  Dim myAdapter As UniDataAdapter = New UniDataAdapter("SELECT DeptNo, DName FROM Test.Dept", "Provider=SQL Server;Data Source=SERVER;Initial Catalog=Northwind;User ID=sa")
  myAdapter.MissingSchemaAction = MissingSchemaAction.AddWithKey
  Dim myDataSet As DataSet = New DataSet
  myAdapter.Fill(myDataSet, "Departments")
  Dim myTable As DataTable
  Dim myRow As DataRow
  Dim myColumn As DataColumn
  ' Get all data from all tables within the dataset
  For Each myTable In myDataSet.Tables
    For Each myRow In myTable.Rows
      For Each myColumn In myTable.Columns
        Console.Write(myRow(myColumn) & Chr(9))
      Next myColumn
      Console.WriteLine()
    Next myRow
    Console.WriteLine()
  Next myTable
End Sub

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

UniDataAdapter Class
UniDataAdapter Members
Overload List
UniConnection Class
UniCommand Class

Send Feedback