/// <summary>
/// Occurs when cell binds to the field value
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void OnDataBindField(object sender, EventArgs e)
{
DataControlFieldCell cell = (DataControlFieldCell)sender;
HyperLink link = (HyperLink)cell.Controls[0];
object controlContainer = cell.BindingContainer;
object item = DataBinder.GetDataItem(controlContainer);
// check if the complex type is used
if (DataTextField.Length > 0 && DataContainer.Length > 0)
{
//string[] values = DataTextField.Split(new char[] { '.' });
item = DataBinder.Eval(item, this.DataContainer);
if (item == null)
{
return;
}
}
if (DataTextField.Length > 0)
{
if (dataTextFieldProperties == null)
{
SetupProperties(item);
}
object[] dataTextValues = new object[DataTextField.Split(',').Length];
for (int n = 0; n < dataTextValues.Length; n++)
{
dataTextValues[n] = dataTextFieldProperties[n].GetValue(item);
}
link.Text = FormatDataTextValue(dataTextValues);
}
string[] urlFields = DataNavigateUrlFields;
if (urlFields.Length > 0)
{
if (urlProperties == null)
{
SetupProperties(item);
}
object[] dataUrlValues = new object[urlFields.Length];
for (int n = 0; n < dataUrlValues.Length; n++)
{
dataUrlValues[n] = urlProperties[n].GetValue(item);
}
link.NavigateUrl = FormatDataNavigateUrlValue(dataUrlValues);
}
}
/// <summary>
/// Is used to set properties of the HyperLinkField
/// </summary>
/// <param name="controlContainer"></param>
void SetupProperties(object controlContainer)
{
PropertyDescriptorCollection props = TypeDescriptor.GetProperties(controlContainer);
if (DataTextField.Length > 0)
{
string[] dataFields = DataTextField.Split(',');
if (dataFields.Length > 0)
{
dataTextFieldProperties = new PropertyDescriptor[dataFields.Length];
for (int n = 0; n < dataFields.Length; n++)
{
PropertyDescriptor prop = props[dataFields[n]];
if (prop == null)
{
throw new InvalidOperationException(string.Format("Property '{0}' not found in object of type {1}", dataFields[n], controlContainer.GetType()));
}
dataTextFieldProperties[n] = prop;
}
}
}
string[] urlFields = DataNavigateUrlFields;
if (urlFields.Length > 0)
{
urlProperties = new PropertyDescriptor[urlFields.Length];
for (int n = 0; n < urlFields.Length; n++)
{
PropertyDescriptor prop = props[urlFields[n]];
if (prop == null)
{
throw new InvalidOperationException(string.Format("Property '{0}' not found in object of type {1}", urlFields[n], controlContainer.GetType()));
}
urlProperties[n] = prop;
}
}
}
