DataView datav1 = ds.Tables[0].DefaultView;
DataView datav2 = ds.Tables[0].DefaultView;
datav1.RowFilter = "日期='2010-10-8'";
datav2.RowFilter = "日期='2010-10-9'";
dataGridView1.DataSource = datav1;
dataGridView2.DataSource = datav2;事实上ds.Tables[0]的日期是没有等于'2010-10-9'的数据的,而有等于'2010-10-8'的数据,按理说运行后应该
dataGridView1有显示,dataGridView2显示为空.可是结果是两个都显示空.但是这个时候我加斜杠后
// DataView datav2 = ds.Tables[0].DefaultView;
// datav2.RowFilter = "日期='2010-10-9'";
// dataGridView2.DataSource = datav2;
dataGridView1显示有结果的.在线等结果呀
DataView datav2 = ds.Tables[0].DefaultView;
datav1.RowFilter = "日期='2010-10-8'";
datav2.RowFilter = "日期='2010-10-9'";
dataGridView1.DataSource = datav1;
dataGridView2.DataSource = datav2;事实上ds.Tables[0]的日期是没有等于'2010-10-9'的数据的,而有等于'2010-10-8'的数据,按理说运行后应该
dataGridView1有显示,dataGridView2显示为空.可是结果是两个都显示空.但是这个时候我加斜杠后
// DataView datav2 = ds.Tables[0].DefaultView;
// datav2.RowFilter = "日期='2010-10-9'";
// dataGridView2.DataSource = datav2;
dataGridView1显示有结果的.在线等结果呀
DataView datav2 = ds.Tables[0].Clone().DefaultView;
datav1.RowFilter = "日期='2010-10-8'";
datav2.RowFilter = "日期='2010-10-9'";
dataGridView1.DataSource = datav1;
dataGridView2.DataSource = datav2;
应该用ds.Tables[0].Copy()
DataTable dt1=ds.Tables[0].Copy();
在查询