protected void btnSetParameter_Click(object sender, EventArgs e)
{
var selected = GetSelected(hdnParamSelected.Value);
if (selected != null)
{
string paramName = hdnParam.Value.ToLowerCSafe();
var param = selected.Parameters[paramName];
if (param != null)
{
if (formElem.ValidateData())
{
// Load value from the form control
var ctrl = formElem.FieldControls[paramName];
if (ctrl != null)
{
var dataType = ctrl.FieldInfo.DataType;
bool nullForDefaultValue = !DataTypeManager.IsNumber(TypeEnum.Field, dataType);
// If value is not a number and it is default value of its data type (e.g. Guid.Empty for Guid), convert it to null
object convertedValue = DataTypeManager.ConvertToSystemType(TypeEnum.Field, dataType, ctrl.Value, null, nullForDefaultValue);
// Convert values to EN culture
string value = ValidationHelper.GetString(convertedValue, String.Empty, CultureHelper.EnglishCulture);
string displayName = ctrl.ValueDisplayName;
if (String.IsNullOrEmpty(displayName) && !String.IsNullOrEmpty(value))
{
displayName = value;
param.ApplyValueTypeConversion = true;
}
param.Value = value;
param.Text = displayName;
param.ValueType = dataType;
}
pnlModalProperty.Visible = false;
pnlFooter.Visible = false;
}
else
{
pnlModalProperty.Visible = true;
pnlFooter.Visible = true;
mdlDialog.Visible = true;
mdlDialog.Show();
}
}
}
}
private static bool UseNullInsteadOfDefaultValue(string dataType)
{
// For data types except numeric and boolean ones we need to use null value instead of default one
// To avoid usage of Guid.Empty for Guid data type etc.
return(!DataTypeManager.IsNumber(TypeEnum.Field, dataType) && !DataTypeManager.IsType <bool>(TypeEnum.Field, dataType));
}