GridView自定义编辑、删除、全选删除代码

using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class _Default : System.Web.UI.Page {     protected void Page_Load(object sender, EventArgs e)      {         if (! IsPostBack)          {             this.GridView1.DataSource = Membership.GetAllUsers();             this .GridView1.DataBind();             this.GridView2.DataSource = Membership.GetAllUsers();             this .GridView2.DataBind();          }      }     protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)      {         if (e.CommandName == "add" )          {             int index = Convert.ToInt32(e.CommandArgument);              ListItem item = new ListItem();              item.Text = Server.HtmlEncode(GridView1.DataKeys[index].Values[0 ].ToString());             if (! ListBox1.Items.Contains(item))              ListBox1.Items.Add(item);              Label1.Text=e.CommandArgument.ToString()+GridView1.DataKeys[index].Values[0 ].ToString();                                    }      }     protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)      {         if (e.Row.RowType == DataControlRowType.DataRow)          {              LinkButton addButton = (LinkButton)e.Row.Cells[0].Controls[0 ];              addButton.CommandArgument = e.Row.RowIndex.ToString();                       }      }     protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)      {         if (e.Row.RowType == DataControlRowType.DataRow)          {            string str = Convert.ToString(DataBinder.Eval(e.Row.DataItem, "UserName" ));             //满足特定要求的数据显示不同的颜色             Response.Write(str);             if (str=="duoduo" )              {                  e.Row.BackColor = System.Drawing.Color.Brown;              }                e.Row.Cells[1].Text = "<i>" + e.Row.Cells[1].Text + "</i>" ;                        //鼠标经过或者离开时候显示不同的颜色              e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='red',this.style.fontWeight='';" );             //当鼠标离开的时候 将背景颜色还原的以前的颜色              e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=currentcolor,this.style.fontWeight='';" );                      }      }     protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)      {          int index = Convert.ToInt32(e.RowIndex);          GridViewRow row = GridView1.Rows[index];          string duser= row.Cells[2 ].Text;          Membership.DeleteUser(duser);         this.GridView1.DataSource = Membership.GetAllUsers();         this .GridView1.DataBind();          //      }     protected void GridView1_RowDeleted(object sender, GridViewDeletedEventArgs e)      {              }     protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)      {          GridView1.EditIndex = e.NewEditIndex;          GridView1.DataSource = Membership.GetAllUsers();          GridView1.DataBind();      }     protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)      {         string username = GridView1.DataKeys[e.RowIndex].Values[0 ].ToString();         string email = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox2" )).Text;         //string name = GridView1.Rows[e.RowIndex].FindControl("TextBox1").ToString();//onlyread          MembershipUser u= Membership.GetUser(username);          u.Email = email;         //u.UserName = name;          Membership.UpdateUser(u);          GridView1.EditIndex = -1 ;         this.GridView1.DataSource = Membership.GetAllUsers();         this .GridView1.DataBind();               }     protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)      {          GridView1.EditIndex = -1 ;          GridView1.DataSource = Membership.GetAllUsers();          GridView1.DataBind();      }     protected void GridView2_RowEditing(object sender, GridViewEditEventArgs e)      {          GridView2.EditIndex = e.NewEditIndex;          GridView2.DataSource = Membership.GetAllUsers();          GridView2.DataBind();      }     protected void GridView2_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)      {          GridView2.EditIndex = -1 ;          GridView2.DataSource = Membership.GetAllUsers();          GridView2.DataBind();      }     protected void GridView2_RowUpdating(object sender, GridViewUpdateEventArgs e)      {      }     protected void CheckBox2_CheckedChanged(object sender, EventArgs e)      {         foreach (GridViewRow gvr in GridView1.Rows)          {              ((CheckBox)gvr.Cells[5].FindControl("CheckBox1")).Checked = ((CheckBox)sender).Checked;          }      }     protected void Button1_Click(object sender, EventArgs e)      {         foreach (GridViewRow gvr in GridView1.Rows)          {         if (((CheckBox)gvr.Cells[5].FindControl("CheckBox1" )).Checked)              {            //string duser = ((Label)gvr.Cells[2].FindControl("Label1")).Text;             string duser = ((Label)gvr.Cells[2].Controls[1 ]).Text;              Response .Write (duser);             // Membership.DeleteUser(duser);             // this.GridView1.DataSource = Membership.GetAllUsers();             //this.GridView1.DataBind();              }          }      } }