protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindSheng();
BindShi();
BindXian();
}
}
private void BindSheng()
{
//获取省数据
dpSheng.DataSource = baseParameterBll.GetModelDataList("par_type=0 and par_parent='0'");
dpSheng.DataValueField = "par_id";
dpSheng.DataTextField = "par_name";
dpSheng.DataBind();
dpSheng.Items.Insert(0, new ListItem("选择省份", "-"));
}
private void BindShi()
{
string sheng = dpSheng.SelectedValue;
if (sheng != "-")
{
dpShi.DataSource = baseParameterBll.GetModelDataList("par_type=0 and par_parent='" + sheng + "'");
dpShi.DataValueField = "par_id";
dpShi.DataTextField = "par_name";
dpShi.DataBind();
}
dpShi.Items.Insert(0, new ListItem("选择市", "-"));
}
private void BindXian()
{
string shi = dpShi.SelectedValue;
if (shi != "-")
{
dpXian.DataSource = baseParameterBll.GetModelDataList("par_type=0 and par_parent='" + shi + "'");
dpXian.DataValueField = "par_id";
dpXian.DataTextField = "par_name";
dpXian.DataBind();
}
dpXian.Items.Insert(0, new ListItem("选择区", "-"));
}
protected void dpProvince_SelectedIndexChanged(object sender, EventArgs e)
{
dpShi.Items.Clear();
BindShi();
dpXian.Items.Clear();
BindXian();
}
protected void dpCity_SelectedIndexChanged(object sender, EventArgs e)
{
dpXian.Items.Clear();
BindXian();
}
}
}