ascii 码（美国信息互换标准代码） - eako的专栏 - csdnblog.htm

vb与数据库的一些需要我们注意的地方

			}
		}
		if (updatePageAfterCallBack) {
			Anthem_UpdatePage(result);
		}
		Anthem_EvalClientSideScript(result);
		if (window.Anthem_PostCallBack) {
			Anthem_PostCallBack();
		}
	}
	return result;
}

function Anthem_GetResult(x) {
	var result = { "value": null, "error": null };
	var responseText = x.responseText;
	try {
		result = eval("(" + responseText + ")");
	} catch (e) {
		if (responseText.length == 0) {
			result.error = "NORESPONSE";
		} else {
			result.error = "BADRESPONSE";
			result.responseText = responseText;
		}
	}
	return result;
}

function Anthem_SetHiddenInputValue(form, name, value) {
    var input = null;
    if (form[name]) {
        input = form[name];
    } else {
        input = document.createElement("input");
        input.setAttribute("name", name);
        input.setAttribute("type", "hidden");
    }
    input.setAttribute("value", value);
    var parentElement = input.parentElement ? input.parentElement : input.parentNode;
    if (parentElement == null) {
        form.appendChild(input);
        form[name] = input;
    }
}

function Anthem_RemoveHiddenInput(form, name) {
    var input = form[name];
    if (input != null && typeof(input) != "undefined") {
      var parentElement = input.parentElement ? input.parentElement : input.parentNode;
      if (parentElement != null) {
          form[name] = null;
          parentElement.removeChild(input);
      }
    }
}

function Anthem_FireEvent(eventTarget, eventArgument, clientCallBack, clientCallBackArg, includeControlValuesWithCallBack, updatePageAfterCallBack) {
	var form = document.getElementById(Anthem_FormID);
	Anthem_SetHiddenInputValue(form, "__EVENTTARGET", eventTarget);
	Anthem_SetHiddenInputValue(form, "__EVENTARGUMENT", eventArgument);
	Anthem_CallBack(null, null, null, null, null, clientCallBack, clientCallBackArg, includeControlValuesWithCallBack, updatePageAfterCallBack);
	form.__EVENTTARGET.value = "";
	form.__EVENTARGUMENT.value = "";
}

function Anthem_UpdatePage(result) {
	var form = document.getElementById(Anthem_FormID);
	if (result.viewState) {
		Anthem_SetHiddenInputValue(form, "__VIEWSTATE", result.viewState);
	}
	if (result.viewStateEncrypted) {
		Anthem_SetHiddenInputValue(form, "__VIEWSTATEENCRYPTED", result.viewStateEncrypted);
	}
	if (result.eventValidation) {
		Anthem_SetHiddenInputValue(form, "__EVENTVALIDATION", result.eventValidation);
	}
	if (result.controls) {
		for (var controlID in result.controls) {
			var containerID = "Anthem_" + controlID.split("$").join("_") + "__";
			var control = document.getElementById(containerID);
			if (control) {
				control.innerHTML = result.controls[controlID];
				if (result.controls[controlID] == "") {
					control.style.display = "none";
				} else {
					control.style.display = "";
				}
			}
		}
	}
	if (result.pagescript) {
	    Anthem_LoadPageScript(result, 0);
	}
}

// Load each script in order and wait for each one to load before proceeding
function Anthem_LoadPageScript(result, index) {
    if (index < result.pagescript.length) {
		try {
		    var script = document.createElement('script');
		    script.type = 'text/javascript';
		    if (result.pagescript[index].indexOf('src=') == 0) {
		        script.src = result.pagescript[index].substring(4);
		    } else {
		        if (script.canHaveChildren ) {
		            script.appendChild(document.createTextNode(result.pagescript[index]));
		        } else {
		            script.text = result.pagescript[index];
		        }
		    }
		    var heads = document.getElementsByTagName('head');
		    if (heads != null && typeof(heads) != "undefined" && heads.length > 0) {
		        var head = heads[0];

		        // The order that scripts appear is important since later scripts can
		        // redefine a function. Therefore it is important to add every script
		        // to the page and in the same order that they were added on the server.
		        // On the other hand, if we just keep adding scripts the DOM will grow
		        // unnecessarily. This code scans the <head> element block and removes 
		        // previous instances of the identical script.
		        var found = false;
		        for (var child = 0; child < head.childNodes.length; child++) {
		            var control = head.childNodes[child];
		            if (control.tagName.toUpperCase() == "SCRIPT") {
		                if (script.src.length > 0) {
		                    if (script.src == control.src) {
		                        found = true;
		                        break;
		                    }
		                } else if (script.innerHTML.length > 0) {
		                    if (script.innerHTML == control.innerHTML) {
		                        found = true;
		                        break;
		                    }
		                }
		            }
		        }
		        if (found) {
		            head.removeChild(control);
		        }
		        
		        // Now we append the new script and move on to the next script.
		        // Note that this is a recursive function. It stops when the
		        // index grows larger than the number of scripts.
                document.getElementsByTagName('head')[0].appendChild(script);
                if (typeof script.readyState != "undefined") {
                    script.onreadystatechange = function() {
                        if (script.readyState != "complete" && script.readyState != "loaded") {
                            return;
                        } else {
                            Anthem_LoadPageScript(result, index + 1);
                        }
                    }
                } else {
                    Anthem_LoadPageScript(result, index + 1);
                }
	        }
		} catch (e) {
		    Anthem_DebugError("Error adding page script to head. " + e.name + ": " + e.message);
		}
	}
}

function Anthem_EvalClientSideScript(result) {
	if (result.script) {
		for (var i = 0; i < result.script.length; ++i) {
			try {
				eval(result.script[i]);
			} catch (e) {
				alert("Error evaluating client-side script!\n\nScript: " + result.script[i] + "\n\nException: " + e);
			}
		}
	}
}

function Anthem_DebugRequestText(text) {
}

function Anthem_DebugResponseText(text) {
}

function Anthem_DebugError(text) {
}

//Fix for bug #1429412, "Reponse callback returns previous response after file push".
//see http://sourceforge.net/tracker/index.php?func=detail&aid=1429412&group_id=151897&atid=782464
function Anthem_Clear__EVENTTARGET() {
	var form = document.getElementById(Anthem_FormID);
	Anthem_SetHiddenInputValue(form, "__EVENTTARGET", "");