public virtual object GetValue()
{
if (!RowData.Keys.Contains(FieldName) || RowData[FieldName] == null || RowData[FieldName].ToString().IsNullOrEmpty())
{
RowData[FieldName] = DefaultValue.IsNullOrEmpty() ? string.Empty : DefaultValue;
}
object result = RowData[FieldName];
if (ColumnConverter != null)
{
result = ColumnConverter.Converter(FieldName, result, RowData);
}
else
{
if (!DataFormatString.IsNullOrEmpty() && !HtmlEncode)
{
if (!DataFormatFields.IsNullOrEmpty())
{
var dataFields = DataFormatFields.Split(',');
object[] param = new object[dataFields.Length];
for (int i = 0; i < dataFields.Length; i++)
{
param[i] = RowData[dataFields[i]];
}
result = string.Format(CultureInfo.CurrentCulture, DataFormatString, param);
}
else
{
result = string.Format(CultureInfo.CurrentCulture, DataFormatString, new object[] { result });
}
}
}
return result;
}
protected override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
string treatCRasOneChar = "false";
if (TreatCarriageReturnsAsOneCharacter)
{
treatCRasOneChar = "true";
}
/* We need to add three bits of JavaScript to the page:
* (1) The include file that has the JavaScript function to count the characters/words
* (2) JavaScript that will call the appropriate function in (1) when a key is pressed in the TextBoxControlId TextBox
* (3) JavaScript to set the display for this control when the page is first loaded.
*/
// (1) Register the EvolutionNet.Util.Web client-side functions using WebResource.axd (if needed)
// see: http://aspnet.4guysfromrolla.com/articles/080906-1.aspx
if (Page != null && !Page.ClientScript.IsClientScriptIncludeRegistered("skmcontrols"))
{
Page.ClientScript.RegisterClientScriptInclude("skmcontrols",
Page.ClientScript.GetWebResourceUrl(GetType(),
"EvolutionNet.Util.Web.skm.js"));
}
// (2) Call skm_CountTextBox onkeyup
TextBox tb = GetTextBoxControl();
tb.Attributes["onkeyup"] +=
string.Format("skm_CountTextBox('{0}', '{1}', '{2}', {3}, {4}, {5}, '{6}', '{7}', '{8}', {9});",
tb.ClientID, ClientID, DataFormatString.Replace("'", "\\'"), treatCRasOneChar,
MaxCharacterLength, MaxWordLength, CssClass, CssClassForWarning,
CssClassForMax, WarningPercentage);
// (3) Call skm_CountTextBox on page load
if (Page != null)
{
Page.ClientScript.RegisterStartupScript(GetType(), Guid.NewGuid().ToString(),
string.Format(
"skm_CountTextBox('{0}', '{1}', '{2}', {3}, {4}, {5}, '{6}', '{7}', '{8}', {9});",
tb.ClientID, ClientID, DataFormatString.Replace("'", "\\'"),
treatCRasOneChar, MaxCharacterLength, MaxWordLength,
CssClass, CssClassForWarning, CssClassForMax, WarningPercentage),
true);
}
}
public override object Converter(object value)
{
if (!DataFormatString.IsNullOrEmpty())
{
if (!DataFormatFields.IsNullOrEmpty())
{
var dataFields = DataFormatFields.Split(',');
object[] param = new object[dataFields.Length];
for (int i = 0; i < dataFields.Length; i++)
{
param[i] = RowData[dataFields[i]];
}
value = string.Format(CultureInfo.CurrentCulture, DataFormatString, param);
}
else
{
value = string.Format(CultureInfo.CurrentCulture, DataFormatString, new object[] { value });
}
}
return(value);
}
