Tips and Frequently Asked Questions

 TIWResponsiveList: How to use the ItemStyle parameter of the OnItemRender event

var
  si: TIWItemStylesItem;
begin
  si := TIWResponsiveList1.ItemStyles.Add;
  si.ItemStyle.Font.Color := clWebRed;
  si.Name := ''RedFont'';

procedure TformResponsiveList1.TIWResponsiveList1ItemRender(Sender: TObject;
  Index: Integer; var ItemStyle: string); begin
  if Index = 0 then
    ItemStyle := ''RedFont'';
end;

 TTIWAdvWebGrid: How to display buttons in specific cells

procedure TIWForm1.TIWAdvWebGrid1GetCellType(Sender: TObject; RowIndex,
  ColumnIndex: Integer; var AColumnType: TTIWColumnType;
  var Editor: TTIWColumnEditor; var DynEditor: TTIWDynEditType);
begin
  if (ColumnIndex = 1) and (RowIndex = 1) then
    AColumnType := ctButton;
end;

 TTIWDBAdvWebGrid: How to display an image based on the original cell value

procedure TIWForm1.TIWDBAdvWebGrid1GetCellData(Sender: TObject; RowIndex,
  ColumnIndex: Integer; var AValue: string); begin
  if AValue = 'X' then
    AValue := '<img src="/files/image.png">'
end;

 TTIWAdvWebGrid: How to add a background image

 TIWDBAdvWebGrid1.Background.PictureURL := 'test.png';

 TMS IntraWeb Component Pack in Win64

 TIWAdvMessageDialog: How to determine which custom button has been clicked

 TTIWResponsiveList: How to add an item with an input field and a button that retrieves the value of the input field

procedure TformResponsiveList1.IWAppFormCreate(Sender: TObject);
var
  li: TIWListItem;
begin
    li := TIWResponsiveList1.Items.Add;
    li.Text.Add(''
<input type="text" id="textid" value="test">'');
    li.Text.Add(''
<input type="button" id="button" value="Button" onclick="'' + TIWResponsiveList1.HTMLName + ''ControlEventHandler(event, ''''ButtonClick'''')">'');
end;

procedure TformResponsiveList1.TIWResponsiveList1AsyncControlEvent(
  Sender: TObject; EventParams: TStringList; EventType, ControlID: string;
  ItemIndex: Integer);
var
  id, att: TStringList;
begin
  if EventType = ''ButtonClick'' then
  begin
    id := TStringList.Create;
    id.Add(''textid'');
    att := TStringList.Create;
    att.Add(''value'');
    TIWResponsiveList1.AsyncGetAttributes(ItemIndex, id, att);
    id.Free;
    att.Free;
  end;
end;

procedure TformResponsiveList1.TIWResponsiveList1AsyncGetAttributes(
  Sender: TObject; EventParams: TStringList; ItemIndex: Integer; ControlIDs,
  AttributeNames, AttributeValues: TStringList);
begin
  WebApplication.ShowMessage(AttributeValues.Text);
end;

 TTIWResponsiveList: How to add a section to the TTIWResponsiveList.

 TIWAdvEdit: + and - signs

 TIWAdvWebGrid: How to add an image (with text) to a cell

You can use HTML tags to add an image to a column of type ctNormal or simply add the image name + path for a Column of type ctImage.

Examples:

ctNormal column:

Add an image to a cell:

  TIWAdvWebGrid1.Cells[0,0] := ''<img src="https://www.tmssoftware.com/site/img/tmslogo.png"  style="width:128px;height:50px;">'';

Add an image & text to a cell:

TIWAdvWebGrid1.Cells[1,0] := ''<img src="image.png"><br>row ' + IntToStr(RowIndex);

ctImage column:

  TIWAdvWebGrid1.Cells[2,0] := ''https://www.tmssoftware.com/site/img/tmslogo.png'';

 TIWAdvWebGrid: How to read/write the state of a checkbox

TIWAdvWebGrid1.RowSelect[0] := true;  

//Set checkbox in column 0 and row 1 to checked:
TIWAdvWebGrid1.DynEdits[0, 1] := ''1'';

//Set checkbox in column 1 and row 2 to checked:
TIWAdvWebGrid1.DynEdits[1, 2] := ''1'';

//Set checkbox in column 1 and row 3 to unchecked:
TIWAdvWebGrid1.DynEdits[1, 2] := ''0'';

 TIWAdvWebGrid: How to display the active row in a scrollable grid

 Using a detailgrid in TIWAdvWebGrid

  TIWAdvWebGrid1.DetailGrid := TIWAdvDetailWebGrid1;
  TIWAdvWebGrid1.DetailRowShow := dsServerOneOpen;
  TIWAdvWebGrid1.Columns[0].ColumnType := ctNode;
  TIWAdvWebGrid1.Columns[0].DetailSpan := 3;

 The TIWDatePicker popup is not visible outside of an IWRegion control

 When using TIWAdvGridExcelIO to send an XLS file to the browser, my app freezes.

 New records are not visible when inserted asynchronously into IWDBAdvWebGrid

 Updating the IWAdvWebGrid cell values after an async event

 Why is the calendar dropdown of the IWDatePicker is displayed behind other controls?

 Changing visibility of IntraWeb controls at run-time

 When installing the TMS IntraWeb Components in Delphi xx, the following error appears: Cannot load package 'IWxTMSSEDxx'. It contains unit 'AdvmWS', which is also contained in package TMSDxx

 Using a client-aligned TIWAdvWebGrid

 Why does my TIWAdvWebGrid control not work correctly when using multiple instances on one form?

 When installing the TMS IntraWeb Components in Delphi xxxx, the following error appears: [Fatal Error] IWTMSDxxxx.dpk(44): E2202 Required package 'dclIntraweb_y_z' not found.

 GradientStartColor - GradientEndColor properties have no effect

 How to upload files with TTIWFilePicker.

 When trying to install the trial version of the components I get an error similar to: [Fatal Error] IW51TMSxx.dpk: Unit IWTMSCtrls was compiled with a different version of IWBaseControl.TIWBaseControl

 After installing a new version of the TMS IntraWeb Components and running my application, I get an error similar to : error: property xyz does not exist

 A previous version of the TMS IntraWeb Components was working fine, but installing a new trial or registered version is causing problems

 When installing the TMS IntraWeb Components, I get an error similar to "rtl package not found"

 After installing the registered version of the TMS IntraWeb Components, IntraWeb is still running in evaluation mode

 When installing the TMS IntraWeb Components, I get an error similar to "Never build package 'intraweb_51_60' must be recompiled"

 When trying to install the registered version of the components I get an error similar to: [Fatal Error] IWTMSBase.pas : Undeclared identifier GServerController

 I try to install the TMS IntraWeb Components and it complains about not being able to find IntraWeb_X_Y.dcp ?

 When I try the HTMLEdit demo, it does not work on Netscape or Opera ?

 I am a registered user and want to obtain the latest registered version of the TMS IntraWeb components, where can I find these ?

 When compiling my application with C++Builder, I get linker errors similar to : [Linker Error] Unresolved external 'InternetOpenA' referenced from ...

 I have the registered version of the TMS IntraWeb components but cannot find the demo applications

 When trying to choose an image for component I get an error similar to: "Could not load image, invalid format"

 When trying to install the TMS components I encounter an error message that it is an invalid package file.

 When trying to install the TMS components I encounter an error message similar to Can't find procedure @Iwbasecontrol@TIWBaseControl@get_Visible$qqrv in DDL-file Intraweb_60_70.bpl

 When trying to compile the TMS Components, I encounter an error message similar to "it := Control.RenderHTML;" // not enough actual Parameters.

 What is the difference between the TMS IntraWeb Component Pack Pro and the TMS IntraWeb Component Pack Pro Script Edition ?