public static void ShowMessageBox(string msg)
{
// Get a ClientScriptManager reference from the Page class.
msg = msg.Replace("'", " ");
msg = msg.Replace("\r", "");
msg = msg.Replace("\n", "");
if (HttpContext.Current == null)
{
throw new Exception("Method must be called from a page context");
}
Page page = HttpContext.Current.Handler as Page;
if (page == null)
{
throw new Exception("Method must be called from a page context");
}
ClientScriptManager cs = page.ClientScript;
// Check to see if the startup script is already registered.
if (!cs.IsStartupScriptRegistered(cs.GetType(), "PopupScript"))
{
//cs.RegisterStartupScript(this.GetType(), "PopupScript", "alert('" + msg + "');", true);
cs.RegisterStartupScript(cs.GetType(), "PopupScript", "alert('" + msg + "');", true);
}
}
/// <summary>
/// 以弹窗形式向客户端发送提示信息
/// </summary>
/// <param name="csm">页面的Page.ClientScript属性</param>
/// <param name="Msg">提示信息</param>
public static void PrintMsgToClient(ClientScriptManager csm, string Msg)
{
if (!csm.IsClientScriptBlockRegistered(csm.GetType(), "Tip"))//检验是否已注册客户端脚本
{
//输出提示信息
csm.RegisterStartupScript(csm.GetType(), "Tip", "<script>alert('" + Msg + "');</script>", false);
}
}
/// <summary>
/// 显示客户端是与否的对话框
/// </summary>
/// <param name="scriptKey">脚本的键-用于避免重复注册客户端脚本</param>
/// <param name="alertText">提示文本</param>
public static void ShowConfirm(Page page, string scriptKey, string alertText, string doText)
{
alertText = alertText.Replace("\"", "\\\"");
ClientScriptManager cs = page.ClientScript;
if (!cs.IsStartupScriptRegistered(cs.GetType(), scriptKey))
{
cs.RegisterStartupScript(cs.GetType(), scriptKey, string.Format("<script>if(window.confirm('{0}')){1}</script>", alertText, doText));
}
}
/// <summary>
/// 显示客户端提示对话框信息
/// </summary>
/// <param name="scriptKey">脚本的键-用于避免重复注册客户端脚本</param>
/// <param name="alertText">提示文本</param>
public static void ShowClientAlert(Page page, string scriptKey, string alertText)
{
alertText = alertText.Replace("\"", "\\\"");
ClientScriptManager cs = page.ClientScript;
if (!cs.IsStartupScriptRegistered(cs.GetType(), scriptKey))
{
cs.RegisterStartupScript(cs.GetType(), scriptKey, string.Format("<script language=\"javascript\" type=\"text/javascript\">alert(\"{0}\");</script>\r\n", alertText));
}
}
public static void ShowControl(this System.Web.UI.Page page, string dialogID, string titleName)
{
ClientScriptManager csm = page.ClientScript;
string Script = @"
<script type=text/javascript>
var beforeAction = window.onload || function () {{}};
window.onload = function ()
{{
beforeAction();
LoadControl('{0}', '{1}', '{2}');
}}
</script>"; // 注意，有經過String.Format的話大括號要重複
csm.RegisterStartupScript(csm.GetType(), "Show", String.Format(Script, dialogID, titleName, page.ResolveUrl("~/img/closebutton.ico")));
}