C# อยากทราบวิธีการเขียนโค้ดแสดงสถานะ ว่าง/ไม่ว่าง........................ (ช่วยด้วยครับ)

           // comboBox1
            // 
            this.comboBox1.DataSource = this.tblStatusBindingSource;
            this.comboBox1.DisplayMember = "Status";
            this.comboBox1.ValueMember = "sID";

private void comboBox1_SelectedValueChanged(object sender, EventArgs e)
        {
            try
            {
                MessageBox.Show(comboBox1.SelectedValue.ToString());
            }
            catch { }
        }

this.comboBox1.DataBindings.Add(new System.Windows.Forms.Binding("SelectedValue", this.tbltestBindingSource, "status", true));

this._nameTextBox.DataBindings.Add(new System.Windows.Forms.Binding("Text", this.tbltestBindingSource, "_name", true));