自定义删除组合按钮

在项目中,把删除的组合按钮都写成一个控件,这样子我就不会再每个都写了,只要直接拉进页面就OK啦
呵呵,感觉方便多了

using System;
using System.Collections.Generic;
using System.Text;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.ComponentModel;

namespace WebClass
{
    public class ControlOfDel:Control,INamingContainer
    {
        private string _gridview1ID;
        private string  _checkBoxID;

        [Browsable(true)]
        [Description("要删除的选择")]
        [Category("扩展")]
        [DefaultValue("")]
        public event EventHandler delSelect;

        [Browsable(true)]
        [Description("要删除所有")]
        [Category("扩展")]
        [DefaultValue("")]
        public event EventHandler delAll;

        [Browsable(true)]
        [Description("设置要查找的GridView控件的id")]
        [Category("扩展")]
        [DefaultValue("GridView1")]
        public string GridviewID
        {
            get
            {
                return  _gridview1ID;
            }
            set
            {
                _gridview1ID = value;
            }
        }

        [Browsable(true)]
        [Description("设置要查找的CheckBox控件的id")]
        [Category("扩展")]
        [DefaultValue("")]
        public string CheckboxID
        {
            get
            {
                return _checkBoxID;
            }
            set
            {
                _checkBoxID = value;
            }
        }


        protected override void CreateChildControls()
        {
            LinkButton selectAllButton = new LinkButton();
            selectAllButton.Text = "全选";
            this.Controls.Add(selectAllButton);
            selectAllButton.Click += new EventHandler(selectAllButton_clicked);

            Literal liter1 = new Literal();
            liter1.Text = " ";
            this.Controls.Add(liter1);

            LinkButton reSelectAllButton = new LinkButton();
            reSelectAllButton.Text = "反选";
            this.Controls.Add(reSelectAllButton);
            reSelectAllButton.Click += new EventHandler(reSelectAllButton_clicked);

            Literal liter2 = new Literal();
            liter2.Text = " ";
            this.Controls.Add(liter2);
         

            LinkButton SelectCannel = new LinkButton();
            SelectCannel.Text = "取消";
            this.Controls.Add(SelectCannel);
            SelectCannel.Click += new EventHandler(selectCannel_clicked);

            Literal liter3 = new Literal();
            liter3.Text = " ";
            this.Controls.Add(liter3);

            LinkButton DelOfSelect = new LinkButton();
            DelOfSelect.Text = "删除选择";
            this.Controls.Add(DelOfSelect);
            DelOfSelect.Click+=new EventHandler(DelOfSelect_Click);

            Literal liter4 = new Literal();
            liter4.Text = " ";
            this.Controls.Add(liter4);

            LinkButton DelOfAll = new LinkButton();
            DelOfAll.Text = "删除所有";
            this.Controls.Add(DelOfAll);
            DelOfAll.Click+=new EventHandler(DelOfAll_Click);

            base.CreateChildControls();
        }

        protected void DelOfSelect_Click(object sender, EventArgs e)
        {
            if (delSelect != null)
            {
                delSelect(this, e);
            }
        }

        protected void DelOfAll_Click(object sender, EventArgs e)
        {
            if (delAll != null)
            {
                delAll(this, e);
            }
        }

        private GridView GridView1;// = (GridView)this.Page.FindControl(_gridview1Name);

        private void selectAllButton_clicked(Object sender, EventArgs e)
        {
            GridView1 = (GridView)this.Page.FindControl(_gridview1ID);
            for (int i = 0; i < this.GridView1.Rows.Count; i++)
            {
                CheckBox CheckBox1 = (CheckBox)this.GridView1.Rows[i].FindControl(_checkBoxID.Trim());
                CheckBox1.Checked = true;
            }
        }

        protected void reSelectAllButton_clicked(Object sender, EventArgs e)
        {
            GridView1 = (GridView)this.Page.FindControl(_gridview1ID);
            for (int i = 0; i < this.GridView1.Rows.Count; i++)
            {
                CheckBox CheckBox1 = (CheckBox)this.GridView1.Rows[i].FindControl(_checkBoxID.Trim());
                CheckBox1.Checked = !CheckBox1.Checked;
            }
 
        }

        protected void selectCannel_clicked(Object sender, EventArgs e)
        {
            GridView1 = (GridView)this.Page.FindControl(_gridview1ID);
            for (int i = 0; i < this.GridView1.Rows.Count; i++)
            {
                CheckBox CheckBox1 = (CheckBox)this.GridView1.Rows[i].FindControl(_checkBoxID.Trim());
                CheckBox1.Checked = false;
            }
            
        }

        protected override void OnPreRender(EventArgs e)
        {
            base.OnPreRender(e);
        }

        protected override void Render(HtmlTextWriter writer)
        {
            EnsureChildControls();
            base.Render(writer);
        }
 
    }
}