protected void txtTm_TextChanged(object sender, EventArgs e)
{
PropertyInfo property = dataSource.GetType().GetProperty(column.Text);
TextBox txt = (TextBox)sender;
try
{
object oValue;
if (txt.Text.Trim() == string.Empty)
{
oValue = NullFinder.GetNullValue(column.DataType);
}
else
{
DateTime oldValue = (DateTime)property.GetValue(dataSource, null);
string newValue = string.Format("{0} {1}", oldValue.ToShortDateString(), txt.Text);
oValue = DateTime.Parse(newValue);
}
property.SetValue(dataSource, oValue, null);
}
catch (Exception)
{
txtTm_DataBinding(txt, null);
}
}
//when the value of the field is changed (by the user), and is valid
//the handler updates the associated property of the datasource.
protected void txt_TextChanged(object sender, EventArgs e)
{
PropertyInfo property = dataSource.GetType().GetProperty(column.Text);
TextBox txt = (TextBox)sender;
try
{
object oValue;
if (txt.Text.Trim() == string.Empty)
{
oValue = NullFinder.GetNullValue(column.DataType);
}
else
{
oValue = NullFinder.Parse(txt.Text, property.PropertyType);
}
property.SetValue(dataSource, oValue, null);
}
catch (Exception)
{
txt_DataBinding(txt, null);
}
}
public virtual WebControl RenderInEditor()
{
if (column.IsCDDExtender || column.IsTextChangeExtender)
{
return(null);
}
if (!column.IsEditable || column.IsStatic)
{
Label lbl = new Label();
lbl.Width = new Unit(100, UnitType.Percentage);
if (column.IsStatic)
{
lbl.Text = column.Text;
}
else
{
lbl.DataBinding += new EventHandler(lbl_DataBinding);
}
return(lbl);
}
if (column.IsLookup)
{
DropDownList ddl = new DropDownList();
ddl.Width = new Unit(100, UnitType.Percentage);
ddl.DataBinding += new EventHandler(ddl_DataBinding);
ddl.SelectedIndexChanged += new EventHandler(ddl_SelectedIndexChanged);
IDictionary <object, string> dictionary = lookup.GetLookup(column.Lookup);
foreach (object key in dictionary.Keys)
{
ListItem item = new ListItem(dictionary[key], key.ToString());
ddl.Items.Add(item);
}
var validationRule = from rule in column.Rules
where (rule.ValidationType == "Required") && ((RequiredValidationRule)rule).IsRequired
select rule;
if (validationRule.Count() == 0)
{
ddl.Items.Add(new ListItem(string.Empty, NullFinder.GetNullValue(column.DataType).ToString()));
}
ddl.ID = string.Format("ddl{0}", column.Name);
return(ddl);
}
if (column.IsCascadedLookup)// || column.IsCDDExtended)
{
DropDownList ddl = new DropDownList();
ddl.ID = string.Format("ddl{0}", column.Name);
ddl.Width = new Unit(100, UnitType.Percentage);
ddl.SelectedIndexChanged += new EventHandler(ddl_SelectedIndexChanged);
return(ddl);
}
else
{
Panel ph = new Panel();
TextBox txt = new TextBox();
txt.Width = new Unit(100, UnitType.Percentage);
txt.DataBinding += new EventHandler(txt_DataBinding);
txt.TextChanged += new EventHandler(txt_TextChanged);
txt.ID = string.Format("txt{0}", column.Name);
if (column.IsLongText)
{
txt.TextMode = TextBoxMode.MultiLine;
}
ph.Controls.Add(txt);
//for each rule specified in the column descriptor
//the renderer attaches the appropriate validator control
foreach (ValidationRule rule in column.Rules)
{
BaseValidator validationControl = null;
switch (rule.ValidationType)
{
case "Required":
if (((RequiredValidationRule)rule).IsRequired)
{
validationControl = new RequiredFieldValidator();
}
break;
case "Pattern":
RegularExpressionValidator validator = new RegularExpressionValidator();
validator.ValidationExpression = ((PatternValidationRule)rule).Pattern;
validationControl = validator;
break;
case "Range":
RangeValidator rangeValidator = new RangeValidator();
RangeValidationRule rangeRule = (RangeValidationRule)rule;
rangeValidator.MinimumValue = rangeRule.LeftBoundary;
rangeValidator.MaximumValue = rangeRule.RightBoundary;
validationControl = rangeValidator;
break;
case "Compare":
CompareValidator compareValidator = new CompareValidator();
CompareValidationRule compareRule = (CompareValidationRule)rule;
compareValidator.Operator = compareRule.CompareOperator;
compareValidator.Type = compareRule.RuleDataType;
compareValidator.ValueToCompare = compareRule.ValueToCompare;
validationControl = compareValidator;
break;
}
if (validationControl != null)
{
validationControl.ValidationGroup = "GINDataEditor";
validationControl.ControlToValidate = txt.ID;
validationControl.ErrorMessage = rule.ErrorMessage;
validationControl.Text = "*";
ph.Controls.Add(validationControl);
}
}
return(ph);
}
}
