Gtk#: can't load imagefile to Image

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Hello!
I need develop application for Linux. I use IDE MonoDevelop 3.0.2 for it. You can see my GUI definition on next code's:

<?xml version="1.0" encoding="utf-8"?>
<stetic-interface>
  <configuration>
    <images-root-path>..\..\ElectronicPay</images-root-path>
    <target-gtk-version>2.12</target-gtk-version>
  </configuration>
  <import>
    <widget-library name="glade-sharp, Version=2.12.0.0, Culture=neutral, PublicKeyToken=35e10195dab3c99f" />
    <widget-library name="../bin/Debug/ElectronicPay.exe" internal="true" />
  </import>
  <widget class="Gtk.Window" id="MainWindow" design-size="400 325">
    <property name="MemberName" />
    <property name="Title" translatable="yes">MyMainWindow</property>
    <property name="TypeHint">Splashscreen</property>
    <property name="WindowPosition">CenterAlways</property>
    <property name="AllowGrow">False</property>
    <signal name="DeleteEvent" handler="OnDeleteEvent" />
    <child>
      <widget class="Gtk.Fixed" id="fixed1">
        <property name="MemberName" />
        <property name="HasWindow">False</property>
        <child>
          <widget class="Gtk.Button" id="button1">
            <property name="MemberName" />
            <property name="CanFocus">True</property>
            <property name="Type">TextAndIcon</property>
            <property name="Label" translatable="yes">GtkButton</property>
            <property name="UseUnderline">True</property>
            <property name="Xalign">1</property>
            <signal name="Clicked" handler="button1_Click" />
          </widget>
        </child>
        <child>
          <widget class="Gtk.Image" id="image1">
            <property name="MemberName" />
          </widget>
          <packing>
            <property name="X">289</property>
            <property name="Y">87</property>
          </packing>
        </child>
      </widget>
    </child>
  </widget>
</stetic-interface>

Now I want to load imagefile "D:\\DeleteIt.JPG" to image1. I made ​​several attempts for this:

private void button1_Click (object sender, System.EventArgs e)
{
//image1.SetAccelPath ("D:\\DeleteIt.JPG", new AccelGroup ());
//image1.Pixbuf = new Gdk.Pixbuf ("D:\\DeleteIt.JPG");
image1.File = "D:\\DeleteIt.JPG";
image1.Show ();
}

But this code is wrong. How can I load imagefile to image1?