DELPHI中dbgird的语句问题

字符串是不能用Case语句的！

解决方案 »

  1.   

    if treeview1.selected.text = '车间设置' then
            begin
            ..
            ..
            end else
    if treeview1.selected.text =  '工种设置' then
            begin
            ..
            ..
            end;
    end;
      

  2.   

    dbgrid1.columns[0].fieldname:=adoquery1.fields[0].name;
    dbgrid1.columns[1].fieldname:=adoquery1.fields[1].name;
    不可以的。dbgrid1.datasource.dataset不开肯定不可，激活后也不可改的
    字符型的语句不能使用case   of 型式的语句
      

  3.   

    case 使用错误 不能用字符串做条件的
      

  4.   

    No.1 Name是元件的名称不是字段的名称
    dbgrid1.columns[0].fieldname:=adoquery1.fields[0].name;
    dbgrid1.columns[1].fieldname:=adoquery1.fields[1].name;
    ///->>>>>>>>>>>>>>>
    dbgrid1.columns[0].fieldname:=adoquery1.fields[0].FieldName;
    dbgrid1.columns[1].fieldname:=adoquery1.fields[1].FieldName;No.2 字符串不是有序类型
    case Pos(',' + treeview1.selected.text + ',', ',车间设置,工种设置,') of
    //                                 1234567890123456789
       1:
            begin
            ..
            ..
            end;
       0:
            begin
            ..
            ..
            end;
    end;
      

  5.   

    正如楼上所说，COLUMNS的FIELDNAME要绑顶到字段名上，ADOQUERY要打开，
    倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪倪倪
    倪倪倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪倪倪
    倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪
    倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪
    倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪
    倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪
    倪磊磊磊磊倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪磊磊磊倪倪倪磊磊磊倪
    倪磊磊磊倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪磊磊磊倪
    倪磊磊磊倪倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪磊磊磊倪倪倪磊磊磊倪
    倪磊磊磊倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪磊磊磊倪倪磊磊磊倪
    倪磊磊磊倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪倪磊磊磊倪磊磊磊倪
    倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪磊磊磊倪
    倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪
    倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪
    倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪倪倪
    倪倪倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪倪倪
    倪倪倪磊磊磊倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪磊磊磊倪倪倪
    倪倪倪磊磊磊倪倪倪磊磊磊磊磊磊磊磊磊磊磊磊倪倪倪磊磊磊倪倪倪
    倪倪倪磊磊磊倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪磊磊磊倪倪倪
    倪倪倪磊磊磊倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪磊磊磊倪倪倪
    倪倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪磊磊磊倪倪倪
    倪倪倪磊磊磊倪倪倪倪倪磊磊磊磊磊磊磊磊倪倪倪倪倪磊磊磊倪倪倪
    倪倪倪磊磊磊倪倪倪倪倪磊磊倪倪倪倪磊磊倪倪倪倪倪磊磊磊倪倪倪
    倪倪倪磊磊磊倪倪倪倪倪磊磊倪倪倪倪磊磊倪倪倪倪倪磊磊磊倪倪倪
    倪倪倪磊磊磊倪倪倪倪倪磊磊倪倪倪倪磊磊倪倪磊倪倪磊磊磊倪倪倪
    倪倪磊磊磊倪倪倪倪倪倪磊磊磊磊磊磊磊磊倪倪磊磊倪磊磊磊倪倪倪
    倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪磊磊磊磊磊倪倪倪
    磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪磊磊磊磊倪倪倪
    倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪倪倪倪倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪倪倪磊磊磊磊倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪倪倪磊磊磊倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪倪倪磊磊倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪倪倪倪
    倪倪倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪倪倪倪
    倪倪磊磊倪倪倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪磊磊倪倪倪倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪
    磊倪倪倪倪倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪倪倪倪倪倪
    倪倪倪倪倪倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪倪倪倪倪倪
    倪倪倪倪倪倪倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪倪倪倪倪倪倪倪倪倪倪倪倪倪磊磊磊倪倪倪倪倪倪倪倪倪倪倪倪倪
    倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪
    倪磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊磊倪
    倪倪倪倪倪倪倪
      

  6.   

    Case 语句可不能用字符串哦