public void chengqu()
{
linqChengQuDataContext cq = new linqChengQuDataContext();
Table <ChengQu> chengqulist = cq.GetTable <ChengQu>();
var query =
from chengqu in chengqulist
select chengqu;
drlCQ.DataSource = query;
drlCQ.DataTextField = "Cq_Name";
drlCQ.DataValueField = "Cq_Id";
drlCQ.DataBind();
drlCQ.SelectedIndex = 0;
}
public void bangding()
{
linqChengQuDataContext cq = new linqChengQuDataContext();
Table <ChengQu> cqlist = cq.GetTable <ChengQu>();
//读取数据库城区表信息
var query =
from chengqu in cqlist
select cq;
//设置grvCQ数据源为query
grvCQ.DataSource = query;
//设置grvCQ标识码为CQ_Id
grvCQ.DataKeyNames = new string[] { "Cq_Id" };
//执行grvCQ数据绑定
grvCQ.DataBind();
}