public static readonly string ThisExpression = "!";
PropertyDescriptor boundProperty;
+
+ [DefaultValueAttribute (false)]
+ [WebSysDescription ("")]
+ [WebCategoryAttribute ("Behavior")]
+ public virtual bool ApplyFormatInEditMode {
+ get {
+ return ViewState.GetBool ("ApplyFormatInEditMode", false);
+ }
+ set {
+ ViewState ["ApplyFormatInEditMode"] = value;
+ }
+ }
[DefaultValueAttribute (true)]
+ [WebSysDescription ("")]
[WebCategoryAttribute ("Behavior")]
public virtual bool ConvertEmptyStringToNull {
- get {
- object ob = ViewState ["ConvertEmptyStringToNull"];
- if (ob != null) return (bool) ob;
- return true;
- }
+ get { return ViewState.GetBool ("ConvertEmptyStringToNull", true); }
set {
ViewState ["ConvertEmptyStringToNull"] = value;
OnFieldChanged ();
}
}
- [TypeConverterAttribute ("System.Web.UI.Design.DataSourceViewSchemaConverter, System.Design, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
+ [TypeConverterAttribute ("System.Web.UI.Design.DataSourceViewSchemaConverter, " + Consts.AssemblySystem_Design)]
+ [WebSysDescription ("")]
[WebCategoryAttribute ("Data")]
[DefaultValueAttribute ("")]
public virtual string DataField {
- get {
- object ob = ViewState ["DataField"];
- if (ob != null) return (string) ob;
- return "";
- }
+ get { return ViewState.GetString ("DataField", ""); }
set {
ViewState ["DataField"] = value;
OnFieldChanged ();
}
[DefaultValueAttribute ("")]
+ [WebSysDescription ("")]
[WebCategoryAttribute ("Data")]
public virtual string DataFormatString {
- get {
- object ob = ViewState ["DataFormatString"];
- if (ob != null) return (string) ob;
- return "";
- }
+ get { return ViewState.GetString ("DataFormatString", ""); }
set {
ViewState ["DataFormatString"] = value;
OnFieldChanged ();
}
}
+ [WebSysDescription ("")]
+ [WebCategoryAttribute ("Appearance")]
+ public override string HeaderText {
+ get { return ViewState.GetString ("HeaderText", "");
+ }
+ set {
+ ViewState["HeaderText"] = value;
+ OnFieldChanged ();
+ }
+ }
+
[DefaultValueAttribute ("")]
[WebCategoryAttribute ("Behavior")]
public virtual string NullDisplayText {
- get {
- object ob = ViewState ["NullDisplayText"];
- if (ob != null) return (string) ob;
- return "";
- }
+ get { return ViewState.GetString ("NullDisplayText", ""); }
set {
ViewState ["NullDisplayText"] = value;
OnFieldChanged ();
}
}
- [WebCategoryAttribute ("Behavior")]
[DefaultValueAttribute (false)]
- public bool ReadOnly {
- get {
- object val = ViewState ["ReadOnly"];
- return val != null ? (bool) val : false;
- }
+ [WebSysDescription ("")]
+ [WebCategoryAttribute ("Behavior")]
+ public virtual bool ReadOnly {
+ get { return ViewState.GetBool ("ReadOnly", false); }
set {
ViewState ["ReadOnly"] = value;
OnFieldChanged ();
}
}
- [WebCategoryAttribute ("HtmlEncode")]
[DefaultValueAttribute (true)]
+ [WebSysDescription ("")]
+ [WebCategoryAttribute ("HtmlEncode")]
public virtual bool HtmlEncode {
- get {
- object val = ViewState ["HtmlEncode"];
- return val != null ? (bool) val : true;
- }
+ get { return ViewState.GetBool ("HtmlEncode", true); }
set {
- ViewState ["HtmlEncode"] = true;
+ ViewState ["HtmlEncode"] = value;
OnFieldChanged ();
}
}
-
+
public override void ExtractValuesFromCell (IOrderedDictionary dictionary,
DataControlFieldCell cell, DataControlRowState rowState, bool includeReadOnly)
{
dictionary [DataField] = cell.Text;
}
}
-
+
+ public override bool Initialize (bool enableSorting,
+ Control control)
+ {
+ return base.Initialize (enableSorting, control);
+ }
+
public override void InitializeCell (DataControlFieldCell cell,
DataControlCellType cellType, DataControlRowState rowState, int rowIndex)
{
}
}
- public virtual void InitializeDataCell (DataControlFieldCell cell, DataControlRowState rowState)
+ protected virtual void InitializeDataCell (DataControlFieldCell cell, DataControlRowState rowState)
{
bool editable = (rowState & (DataControlRowState.Edit | DataControlRowState.Insert)) != 0;
if (editable && !ReadOnly) {
TextBox box = new TextBox ();
+ box.ID = cell.ClientID;
cell.Controls.Add (box);
}
}
protected virtual string FormatDataValue (object value, bool encode)
{
string res;
- if (value == null || (value.ToString().Length == 0 && ConvertEmptyStringToNull))
- res = NullDisplayText;
+ if (value == null || (value.ToString ().Length == 0 && ConvertEmptyStringToNull)) {
+ if (NullDisplayText.Length == 0) {
+ encode = false;
+ res = " ";
+ }
+ else
+ res = NullDisplayText;
+ }
else if (DataFormatString.Length > 0)
res = string.Format (DataFormatString, value);
else
protected virtual object GetDesignTimeValue ()
{
- return GetBoundValue (Control);
+ return "Databound";
}
-
+
object GetBoundValue (Control controlContainer)
{
+ object dataItem = DataBinder.GetDataItem (controlContainer);
+ if (dataItem == null)
+ throw new HttpException ("A data item was not found in the container. The container must either implement IDataItemContainer, or have a property named DataItem.");
+
if (DataField == ThisExpression)
- return controlContainer.ToString ();
- else {
- IDataItemContainer dic = (IDataItemContainer) controlContainer;
- if (boundProperty == null) {
- boundProperty = TypeDescriptor.GetProperties (dic.DataItem) [DataField];
- if (boundProperty == null)
- new InvalidOperationException ("Property '" + DataField + "' not found in object of type " + dic.DataItem.GetType());
- }
- return boundProperty.GetValue (dic.DataItem);
- }
+ return dataItem.ToString ();
+ else if (DataField == string.Empty)
+ return null;
+
+ return DataBinder.GetPropertyValue (dataItem, DataField);
}
protected virtual void OnDataBindField (object sender, EventArgs e)
{
- DataControlFieldCell cell = (DataControlFieldCell) sender;
+ Control cell = (Control) sender;
+ Control controlContainer = cell.BindingContainer;
+ if (!(controlContainer is INamingContainer))
+ throw new HttpException ("A DataControlField must be within an INamingContainer.");
+ object val = GetValue (controlContainer);
+
if (cell.Controls.Count > 0) {
TextBox box = (TextBox) cell.Controls [0];
- object val = GetValue (cell.BindingContainer);
- box.Text = val != null ? val.ToString() : "";
+ if (ApplyFormatInEditMode)
+ box.Text = FormatDataValue (val, SupportsHtmlEncode && HtmlEncode);
+ else
+ box.Text = val != null ? val.ToString() : NullDisplayText;
}
else
- cell.Text = FormatDataValue (GetValue (cell.BindingContainer), SupportsHtmlEncode && HtmlEncode);
+ ((DataControlFieldCell)cell).Text = FormatDataValue (val, SupportsHtmlEncode && HtmlEncode);
}
protected override DataControlField CreateField ()
field.ReadOnly = ReadOnly;
field.HtmlEncode = HtmlEncode;
}
+
+ // MSDN: The ValidateSupportsCallback method is a helper method used to determine
+ // whether the controls contained in a BoundField object support callbacks.
+ // This method has been implemented as an empty method (a method that does not contain
+ // any code) to indicate that callbacks are supported.
+ public override void ValidateSupportsCallback ()
+ {
+ }
+
}
}
#endif