查的Form1窗口
public string cmc
{
get {return mc.Text; }
set {mc.Text= value; }
}
public string cbh
{
get {return bh.Text; }
set {bh.Text= value; }
}
带有daragrid的Form2窗口的查询按钮
Form1 chaw=new Form1();
chaw.ShowDialog();
if (chaw.cid!="")
{
//帮定到datagrid
Db list=new Db();
string qlab="select * FROM [你的表] where id='"+Convert.ToInt32(chaw.cid.ToString().Trim())+"'";
DataView dtac=list.GetGrid(qlab,"你的表");
//
}
if (chaw.cid=="")
{
if ((chaw.cbh!="")||(chaw.cmc!=""))
{
Db list=new Db();
string qlab="select * FROM [表名] where dt_bh like '%"+chaw.cbh.ToString()+"%' and dt_name like '%"+chaw.cmc.ToString()+"%'";
DataView dta=list.GetGrid(qlab,"表名");