protected override void OnInit(EventArgs e)
{
base.OnInit(e);
// This ensures that the template control is properly initialized
ScriptTemplateControl.GetScriptTemplateControl(this);
}
private void ControlOnDataBinding(object sender, EventArgs e)
{
ScriptTemplateControl scriptTemplateControl = ScriptTemplateControl.GetScriptTemplateControl(this);
object evaluatedCode = scriptTemplateControl.EvaluateDataBindingExpression(
this, Code.Trim(), Line);
// Don't perform the assignment if we got back null/DBNull
if (evaluatedCode != null && evaluatedCode != DBNull.Value)
{
if (_propInfo != null)
{
// Convert the value to a string if needed
// TODO: more generic type conversion logic?
if (_propInfo.PropertyType == typeof(string) && !(evaluatedCode is string))
{
evaluatedCode = evaluatedCode.ToString();
}
_propInfo.SetValue(sender, evaluatedCode, null);
}
else
{
_attributeAccessor.SetAttribute(AttributeName, evaluatedCode.ToString());
}
}
}
protected override void Render(HtmlTextWriter writer)
{
ScriptTemplateControl scriptTemplateControl = ScriptTemplateControl.GetScriptTemplateControl(this);
object result = scriptTemplateControl.EvaluateExpression(Code.Trim(), Line);
writer.Write(System.Convert.ToString(result));
}
protected override void OnDataBinding(EventArgs e)
{
ScriptTemplateControl scriptTemplateControl = ScriptTemplateControl.GetScriptTemplateControl(this);
object result = scriptTemplateControl.EvaluateDataBindingExpression(
this, Code.Trim(), Line);
Text = System.Convert.ToString(result);
}
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
Control targetControl = FindControl(_targetId);
ScriptTemplateControl scriptTemplateControl = ScriptTemplateControl.GetScriptTemplateControl(this);
scriptTemplateControl.HookupControlEvent(targetControl, _eventName, _handlerName, Line);
}
private void RenderMethod(HtmlTextWriter writer, Control container)
{
ScriptTemplateControl scriptTemplateControl = ScriptTemplateControl.GetScriptTemplateControl(container);
// Get the compiled code for the render method logic
CompiledCode compiledCode = scriptTemplateControl.GetSnippetRenderCode(container.UniqueID, this);
// Execute it in our module
EngineHelper.ExecuteCompiledCode(compiledCode, scriptTemplateControl.ScriptModule);
// We should always find our render function in the module
// REVIEW: we shouldn't have to do this, and should instead work with a lambda like mechanism (bug 218654)
object f = scriptTemplateControl.ScriptModule.GetVariable(RenderMethodName);
Debug.Assert(f != null);
// Call the render method
DynamicFunction renderFunction = new DynamicFunction(f);
EngineHelper.CallMethod(scriptTemplateControl.ScriptEngine, renderFunction, null /*defaultVirtualPath*/,
new SnippetRenderHelper(writer, container.Controls));
}
