query1.sql.clear;
query1.sql.add('select * from sg where 单位 LIKE :str );
query1.parambyname('str').asstring:='%'+edit1.text+'%';
query1.open;
query1.sql.add('select * from sg where 单位 LIKE :str );
query1.parambyname('str').asstring:='%'+edit1.text+'%';
query1.open;
Query1.SQL.Close;
Query1.SQL.Text := 'SELECT * FROM sg WHERE 单位 LIKE :p_dw';
Query1.SQL.ParamByName('p_dw').AsString := '%' + Edit1.Text + '%';
Query1.Open;of cause DataSource & DBGrid or else are needed.