你可以这样使用

You can use like this

SqlConnection conn = new SqlConnection("connection string");
SqlDataAdapter da = new SqlDataAdapter("your Query", conn);
DataSet ds = new DataSet();
da.Fill(ds, "tblName");
cmb.ItemsSource = ds.Tables[0].DefaultView;

如果您使用MVVM，请查看此内容...

http://blog.cylewitruk.com/2010/09/wpf-combobox-and-databinding-datacontext-itemssource-displaymemberpath-selecteditem-selectedvalue-selectedvaluepath / [ ^ ]