c# 点击保存之后禁用Input(Button)按钮 求教育

Question

我试了试，但是不成功！，帮我看看哪错了js禁用按钮
 function clossbutton()
       {
        document.getElementById("BtnAdd").disabled=true;
        }
后台代码调用.cs       Page.ClientScript.RegisterStartupScript(this.GetType(), "", "clossbutton()", true);前台按钮<input id="BtnAdd" type="button" onclick="getSelect();" />

Answer 1

<input id="BtnAdd" type="button" onclick="getSelect();this.disabled='disabled'" />

Answer 2

本帖最后由 net_lover 于 2012-01-04 14:09:14 编辑

  

Answer 3

ASP .Net提交时禁用Button 

Answer 4

document.getElementById("BtnAdd").disabled=0;

Answer 5

 Page.ClientScript.RegisterStartupScript(this.GetType(), "", "clossbutton()", true);写在那里了？

Answer 6

(【孟子E章】)
  <input id="BtnAdd" type="button" onclick="getSelect();this.disabled='disabled'" />
这个方法效果只能是当时点击时不可用，有没有办法一直不可用

Answer 7

防止重复提交按钮的控件  希望对你有所帮助 /// <summary>
    /// 表示一个防止重复提交的按钮。当用户单击按钮以后，该按钮变灰，不能再次单击，直到重新加载页面或者跳转。
    /// </summary>
    [DefaultProperty("Text")]
    [ToolboxData("<{0}:ButtonOnce runat=server></{0}:ButtonOnce>")]
    public class ButtonOnce : System.Web.UI.WebControls.Button
    {
        /// <summary>
        /// 默认的构造函数。
        /// </summary>
        public ButtonOnce()
        {
            this.ViewState["afterSubmitText"] = "正在提交，请稍候...";
            base.Text = "按钮1";
            this.ViewState["showMessageBox"] = false;
            this.ViewState["showAfterSubmitText"] = false;
            this.ViewState["warningText"] = "确定要提交吗？";
        }        /// <summary>
        /// 获取或设置单击按钮后，按钮上所显示的文本。
        /// </summary>
        [Bindable(true),
        Category("Appearance"),
        DefaultValue(false),
        Description("点击按钮后，是否显示提交状态")]
        public bool ShowAfterSubmitText
        {
            get
            {
                return (bool)this.ViewState["showAfterSubmitText"];
            }
            set
            {
                this.ViewState["showAfterSubmitText"] = value;
            }
        }        /// <summary>
        /// 获取或设置单击按钮后，按钮上所显示的文本。
        /// </summary>
        [Bindable(true),
        Category("Appearance"),
        DefaultValue("正在提交，请稍候..."),
        Description("指示单击提交后，按钮上所显示的文本。")]
        public string AfterSubmitText
        {
            get
            {
                string afterSubmitText = (string)this.ViewState["afterSubmitText"];
                if (afterSubmitText != null)
                {
                    return afterSubmitText;
                }
                else
                {
                    return string.Empty;
                }
            }
            set
            {
                this.ViewState["afterSubmitText"] = value;
            }
        }        [Bindable(true),
        Category("Appearance"),
        DefaultValue(false),
        Description("指示是否要显示一个提示框。")]
        public bool ShowMessageBox
        {
            get
            {
                return (bool)this.ViewState["showMessageBox"];
            }
            set
            {
                this.ViewState["showMessageBox"] = value;
            }
        }        [Bindable(true),
        Category("Appearance"),
        DefaultValue("确定要提交吗？"),
        Description("指示提示框内所包含的内容。")]
        public string WarningText
        {
            get
            {
                return (string)this.ViewState["warningText"];
            }
            set
            {
                this.ViewState["warningText"] = value;
            }
        }        /// <summary>
        /// AddAttributesToRender
        /// </summary>
        /// <param name="writer">HtmlTextWriter</param>
        protected override void AddAttributesToRender(HtmlTextWriter writer)
        {
            System.Text.StringBuilder ClientSideEventReference = new System.Text.StringBuilder();            if (((this.Page != null) && this.CausesValidation) && (this.Page.Validators.Count > 0))
            {
                ClientSideEventReference.Append("if (typeof(Page_ClientValidate) == 'function'){if (Page_ClientValidate() == false){return false;}}");
            }
            //ShowMessageBox?
            if (this.ShowMessageBox)
            {
                ClientSideEventReference.Append("if (!confirm('" + this.WarningText + "')){return false}");
            }
            if (ShowAfterSubmitText)
            {
                ClientSideEventReference.AppendFormat("this.value = '{0}';", (string)AfterSubmitText);
            }
            ClientSideEventReference.Append("this.disabled = true;");
            ClientSideEventReference.Append(this.Page.ClientScript.GetPostBackEventReference(this, string.Empty));            writer.AddAttribute(HtmlTextWriterAttribute.Onclick, ClientSideEventReference.ToString(), true);
            base.AddAttributesToRender(writer);
        }
    }