DataSet

DataSet dataset是什么意思 strongly typed dataset 什么意思 dataset.Tables[0]方法是什么意思 如何将list转换为 DataSet类型? 《windows mobile》中什么是Typed DataSet?为什么要引入Typed DataSet? Queries, dataset and user groups啥意思Queries, dataset and user groups 这三个都是啥 ADOTable1:cannot perform this operation on a closed dataset cannot perform this operation on a closed dataset. cannot perform this operation on a closed dataset英文怎么读?是什么意思? SAS中的merge dataset(in=a)什么意思啊?求指教 用了ViewBag,但是总提示“System.Data.DataSet”未包含tables的定义 急 ads-bas:dataset not in edit or in sert mode 还有connection closed gracefully. 急 ads-bas:dataset not in edit or in sert mode 还有connection closed gracefully. ds.Tables[0].Rows.Count > 1 private void button2_Click_1(object sender,EventArgs e){DataSet ds = new DataSet();string consqlserver = Data Source=.;Initial Catalog=留言板;Integrated Security=SSPI;string sql = SELECT * FROM liuyan;SqlConnection 请问这句代码的意思是什么?ds.Tables.Remove(ds.Tables[0]);麻烦详细点.(dataset ds) 关于书写很多变量名的问题我需要写1000个变量名,就像query.addBindValue(dataSet.value1)；query.addBindValue(dataSet.value2)；.一直到query.addBindValue(dataSet.value1000)；我想请问用循环这该怎么写.这里的data.Set Erabskate error.Valueout of bounds.Cannot perfoem this operation on a clased dataset.每次打开财务软件就出现这两句.（自从税控升级已后）