c#主窗体加载方法

//主窗体加载方法        private void ReleaseOutForm_Load(object sender, EventArgs e)        {            //水库下拉列表            util=new ReleaseOutUtil();            String[] arr1 = util.getSTNM("1");//1表示水库类型            comboBoxEx1.DataSource = arr1;            comboBoxEx1.SelectedIndex = 0;            comboBoxEx1.DropDownStyle = ComboBoxStyle.DropDownList;//设为只读            //建筑物下拉列表            string[] arr2 = new string[2];            arr2[0] = "泄洪洞";            arr2[1] = "溢洪道";            comboBoxEx2.DataSource = arr2;            comboBoxEx2.SelectedIndex = 0;            comboBoxEx2.DropDownStyle = ComboBoxStyle.DropDownList;//设为只读            //起始、截止时间            dateTimeInput1.Value = DateTime.Now.AddMonths(-1);            dateTimeInput2.Value = DateTime.Now;            dateTimeInput1.MaxDate = DateTime.Now;            dateTimeInput2.MaxDate = DateTime.Now;        }