>>>>如果將base.Render(writer)語句刪掉則控件在運行時無法顯示base.Render(writer) outputs the tag (normally <span>) and text between the tagif you don't call it, tag/Text is never output>>>如果將該句放在Text="test"前面則會出現:Text="test";語句無效,即控件在運行時Text值沒有改為“test"because base.Render(writer) will output the old text, if you want the effect, tryprotected override void Render(HtmlTextWriter writer)
{
Text="test";
base.Render(writer);
writer.Write("<H2>Your Message: " + "</H2>");
}
{
Text="test";
base.Render(writer);
writer.Write("<H2>Your Message: " + "</H2>");
}
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