Databinding to Datagrid using ObjectDataProvider in WPF

Question

My requirement is I want to fetch data form database and will assign to some collection in a class and I want add that as object data provider in my UserControl..that data i want to assign it to Datagrid with my customized columns ..WHICH PROPERTY CAN I USE..?
<UserControl x:Class="FrontOffice2012.User.StudentsDetails"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
  xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:data="clr-namespace:FrontOffice2012.DB"
  mc:Ignorable="d" d:DesignHeight="357" d:DesignWidth="765" MinHeight="255" MinWidth="700" Loaded="UserControl_Loaded">
  <UserControl.Resources>
  <ObjectDataProvider x:Key="objDs" ObjectType="{x:Type data:StudentDetails}" MethodName="GetStudents"></ObjectDataProvider>
  <ObjectDataProvider x:Key="objDsBacthes" ObjectType="{x:Type data:StudentDetails}" MethodName="GetBatchNames"></ObjectDataProvider>
  </UserControl.Resources>
  <DockPanel>
  <Grid>
  <Grid.RowDefinitions>
  <RowDefinition Height="55"></RowDefinition>
  <RowDefinition Height="217*"></RowDefinition>
  <RowDefinition Height="73"></RowDefinition>
  </Grid.RowDefinitions>
  <StackPanel HorizontalAlignment="Left" Width="568" Background="SteelBlue" Orientation="Horizontal" Margin="0,12,0,9">
  <Label FontWeight="Bold" Foreground="Black" Margin="10,0,0,0" Height="27" Width="58">Batches</Label>
  <ComboBox Width="200"  Height="23"  Name="cmbBatches" DataContext="{Binding Source={StaticResource objDsBacthes}}" ItemsSource="{Binding}" SelectionChanged="cmbBatches_SelectionChanged">
  </ComboBox>
  <Label FontWeight="Bold" Width="81" Margin="50,0,0,0" Foreground="Black" Height="26">Check State</Label>
  <ComboBox Name="cmbCheckstate" Height="23" SelectionChanged="cmbCheckstate_SelectionChanged"  Width="154">
  <ComboBoxItem>All</ComboBoxItem>
  <ComboBoxItem>Active</ComboBoxItem>
  <ComboBoxItem>In Active</ComboBoxItem>
  </ComboBox>
  </StackPanel>
  <DataGrid Grid.Row="1" Name="dgStudentdetails"  RowBackground="LightYellow"
AlternatingRowBackground="LightBlue" CanUserAddRows="False"  IsReadOnly="True" ItemsSource="{Binding Source={StaticResource objDs}}"
  AutoGenerateColumns="True" >
  <DataGrid.ContextMenu>
  <ContextMenu>
  <MenuItem Name="mnuAdd" Header="Add New Student" Click="btnAdd_Click"></MenuItem>
  <MenuItem Name="mnuEdit" Header="Edit Student Details" Click="btnEdit_Click"></MenuItem>
  <MenuItem Name="mnuChangeStudentBatch" Header="Change Student Batch" Click="btnChangeStudentBatch_Click"></MenuItem>
  <MenuItem Name="mnuCollectFee" Header="Collect Fee"  Click="btnCollectfee_Click"></MenuItem>
  <MenuItem Name="mnuPrintReceipt" Header="Print Receipt" Click="btnPrintreceipt_Click"></MenuItem>
  <MenuItem Name="mnuCancelReceipt" Header="Cancel Receipt"  Click="btnCancelreceipt_Click"></MenuItem>
  </ContextMenu>
  </DataGrid.ContextMenu>
  <DataGrid.Columns>
  <DataGridTextColumn Visibility="Hidden"  Binding="{Binding Source=PKStudentId}"></DataGridTextColumn>
  <DataGridTextColumn  Header="Registration Number" Binding="{Binding Path=RegistrationNumber}" Width="220*" IsReadOnly="True"></DataGridTextColumn>
  <DataGridTextColumn Header="Student Name" IsReadOnly="True" Binding="{Binding Path=StudentName}" Width="180*" ></DataGridTextColumn>
  <DataGridTextColumn Header="Amount Paid" Width="200*" IsReadOnly="True" Binding="{Binding Path=AmountPaid}" >
  </DataGridTextColumn>
  <DataGridTextColumn Header="Amount To Be Paid" Width="180*" Binding="{Binding Path=AmountToBePaid}"  IsReadOnly="True" ></DataGridTextColumn>
  <DataGridTemplateColumn  Header="Active" IsReadOnly="True"  Width="100*">
  <DataGridTemplateColumn.CellTemplate>
  <DataTemplate>
  <CheckBox HorizontalAlignment="Center" IsChecked="{Binding Path=Active}" IsEnabled="False" />
  </DataTemplate>
  </DataGridTemplateColumn.CellTemplate>
  </DataGridTemplateColumn>
  <DataGridTemplateColumn  Header="RegistrationDate" IsReadOnly="True"  Width="140*">
  <DataGridTemplateColumn.CellTemplate>
  <DataTemplate>
  <DatePicker HorizontalAlignment="Center" SelectedDate="{Binding Path=RegistrationDate}" Foreground="Red" Background="Yellow" IsEnabled="False" />
  </DataTemplate>
  </DataGridTemplateColumn.CellTemplate>
  </DataGridTemplateColumn>
  </DataGrid.Columns>
  </DataGrid>
  <StackPanel Orientation="Horizontal" Background="SteelBlue" DockPanel.Dock="Bottom" HorizontalAlignment="Right" Grid.Row="2" Margin="0,15,0,18" Width="736">
  <Button Width="106" Margin="10,0,10,0" FontWeight="Bold" Name="btnAdd" Height="25" Click="btnAdd_Click"  >Add</Button>
  <Button Width="106" Margin="0,0,10,0" Name="btnEdit" FontWeight="Bold" Height="25"  Click="btnEdit_Click" >Edit</Button>
  <Button Width="135" Margin="0,0,10,0"  FontWeight="Bold" Name="btnChangeStudentBatch" Height="25"  Click="btnChangeStudentBatch_Click" >Change Student Batch</Button>
  <Button Width="106" Margin="0,0,10,0" FontWeight="Bold" Click="btnCollectfee_Click" Height="25"  Name="btnCollectfee" >Collect Fee</Button>
  <Button Width="106" Margin="0,0,10,0" FontWeight="Bold" Name="btnPrintreceipt" Height="25"  Click="btnPrintreceipt_Click" >Print Receipt</Button>
  <Button Width="106" Margin="0,0,10,0" FontWeight="Bold" Name="btnCancelreceipt" Height="25"  Click="btnCancelreceipt_Click" >Cancel Receipt</Button>
  </StackPanel>
  </Grid>
  </DockPanel>
</UserControl>
*******************************
Class for ObjectDataProvider
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using FrontOffice2012.DB;

namespace FrontOffice2012.DB
{
  public class StudentDetails
  {
  private CompanyDataContext dc = new CompanyDataContext();
  private IEnumerable<StudentData> _StudentsCollection;

  public IEnumerable<StudentData> StudentsCollection
  {
  get { return _StudentsCollection; }
  set { _StudentsCollection = value; }
  }

  public IEnumerable<StudentData> GetStudents()
  {
  var result = (from a in dc.Students
  select
  new StudentData
  {
  PKStudentId = a.PKStudentId,
  RegistrationNumber = a.RegistrationNumber,
  StudentName = a.StudentName,
  AmountPaid = a.AmountPaid,
  AmountToBePaid = a.AmountToBePaid,
  Active = a.Active,
  RegistrationDate = a.RegistrationDate
  });
  return result;
  }

  public IEnumerable<BatchName> GetBatchNames()
  {
  var result = (from a in dc.Batches select new BatchName {Batchname = a.BatchName});
  return result;
  }

  public IEnumerable<StudentData> GetStudentDetailsByStatus(int selind)
  {
  CompanyDataContext dc = new CompanyDataContext();
  switch (selind)
  {
  case 2:
  var result1 = (from a in dc.Students
  where a.Active == false
  select new StudentData
  {
  PKStudentId = a.PKStudentId,
  RegistrationNumber = a.RegistrationNumber,
  StudentName = a.StudentName,
  AmountPaid = a.AmountPaid,
  AmountToBePaid = a.AmountToBePaid,
  Active = a.Active,
  RegistrationDate = a.RegistrationDate
  });
  return result1;
  break;
  case 1:
  var result2 = (from a in dc.Students
  where a.Active == true
  select new StudentData
  {
  PKStudentId = a.PKStudentId,
  RegistrationNumber = a.RegistrationNumber,
  StudentName = a.StudentName,
  AmountPaid = a.AmountPaid,
  AmountToBePaid = a.AmountToBePaid,
  Active = a.Active,
  RegistrationDate = a.RegistrationDate
  });
  return result2;
  break;
  default:
  return GetStudents();
  break;
  }

  }
  }

  public class StudentData
  {
  public int PKStudentId;
  public string RegistrationNumber;
  public string StudentName;
  public decimal? AmountPaid;
  public decimal? AmountToBePaid;
  public bool? Active;
  private DateTime? _RegistrationDate;

  public DateTime? RegistrationDate
  {
  get { return _RegistrationDate; }
  set { _RegistrationDate = value; }
  }
  }


  public class BatchDetailsODP
  {
  private CompanyDataContext dc = new CompanyDataContext();
  private IEnumerable<string> _BatchNames;

  public IEnumerable<string> Batchnames
  {
  get { return _BatchNames; }
  set { _BatchNames = value; }
  }


  }

  public class BatchName
  {
  public string Batchname;
  }
}