设定下拉列表控件DropDownList,复选按钮CheckBox,RadioButton默认值总结测试

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//设定下拉列表控件DropDownList默认值
            //方式一
            //this.dropClassName.Items.FindByValue(ClassName).Selected = true;
            //方式二
            //this.dropClassName.Items.Add(ClassName);
            //this.dropClassName.Items[this.dropClassName.Items.Count - 1].Value = ClassName;
            //this.dropClassName.SelectedIndex = this.dropClassName.Items.Count - 1;
            //方式三
            //ListItem item = new ListItem(ClassName, ClassName);
            //this.dropClassName.Items.Insert(0, item);
            //方式四
            this.dropClassName.SelectedValue = ClassName;
            //设定复选按钮CheckBox控件默认值
            string IsEssence = myDataSet.Tables[0].Rows[0]["IsEssence"].ToString();
            if (IsEssence == "True")
            {
                this.chkIsEssence.Checked = true;//SQL Server数据库中存储的值为"1",取真
            }
            else
            {
                this.chkIsEssence.Checked = false;//SQL Server数据库中存储的值为"0",取假
            }
            //设定单选按钮控件默认值
            string IsHot = myDataSet.Tables[0].Rows[0]["IsHot"].ToString();
            if (IsHot == "True")
            {
                this.rdoIsHot.Checked = true;//SQL Server数据库中存储的值为"1",取真
            }
            else
            {
                this.rdoIsHot.Checked = false;//SQL Server数据库中存储的值为"0",取假
            }