cnn.Open();
string sql = "select * from Area where AREACODE like '__0000' ORDER BY AREACODE ASC";
OleDbDataAdapter da = new OleDbDataAdapter(sql,cnn.link);
DataSet ds=new DataSet();
da.Fill(ds,"Area");
prov.DataSource = ds.Tables["Area"].DefaultView;
prov.ValueMember = "Area.AREACODE";
prov.DisplayMember="Area.AREANAME";
//prov.SelectedValue = 100000;
cnn.Close();
string sql = "select * from Area where AREACODE like '__0000' ORDER BY AREACODE ASC";
OleDbDataAdapter da = new OleDbDataAdapter(sql,cnn.link);
DataSet ds=new DataSet();
da.Fill(ds,"Area");
prov.DataSource = ds.Tables["Area"].DefaultView;
prov.ValueMember = "Area.AREACODE";
prov.DisplayMember="Area.AREANAME";
//prov.SelectedValue = 100000;
cnn.Close();
解决方案 »
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是webform还要调用DataBind方法
ComboBox1.DataSource = myDataSet ;//数据集
ComboBox1.DisplayMember = "person.userId" ;//表名加字段名
ComboBox1.ValueMember = "person.username" ;this.ComboBox1.DataSource = myDataTable;//数据表
this.ComboBox1.DisplayMember = "Name";//字段名
this.ComboBox1.ValueMember = "userId";//字段名
Could not bind to the new display member
我瘋了
Combo_item.DisplayMember = "item_no";
Combo_item.ValueMember = "item_no1";
WinForm
string sql = "select * from Area";
OleDbDataAdapter da = new OleDbDataAdapter(sql,cnn.link);
DataSet ds=new DataSet();
da.Fill(ds);prov.DataSource = ds;
prov.ValueMember = "Area.AREACODE";
prov.DisplayMember = "Area.AREANAME";
cnn.Close();这样也会有错误吗?
提示:无法创建Area子列表。
prov.DisplayMember = "Area.AREANAME";
--------------------
prov.ValueMember = "AREACODE";
prov.DisplayMember = "AREANAME";
不要“Area.”看行不!
string sql = "select * from Area where AREACODE like '__0000' ORDER BY AREACODE ASC";
OleDbDataAdapter da = new OleDbDataAdapter(sql,cnn.link);
DataSet ds=new DataSet();
da.Fill(ds);
prov.DataSource = ds;
prov.DisplayMember = "AREANAME";
prov.ValueMember = "AREACODE";
cnn.Close();出错信息:无法绑定到新的显示成员。
参数:newDisplayMember。