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  function JudgeUserName() {
  $.ajax({
  type: "GET",
  url: "SelectOnlyName.aspx?userName="+ $("#txtUserName").val(),
  dataType: "html",
  //data: "" ,
  beforeSend: function(XMLHttpRequest) {
  $("#divshowResult").text("ÕýÔÚ²éѯ");
  },
  success: function(msg) {
  $("#divShowResult").html(msg);
  $("#divShowResult").css("color", "red");
  }

  });
  }

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