GridView 编辑修改

//点击gridview控件自带的编辑按钮时执行的事件   
 protected void gvNewsList_RowEditing(object sender, GridViewEditEventArgs e)
    {
        gvNewsList.EditIndex = e.NewEditIndex;
        BindData();
    }
//在编辑状态下，点击取消按钮时执行的事件
    protected void gvNewsList_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        gvNewsList.EditIndex = -1;
        BindData();
    }
//在编辑状态下，点击更新按钮时执行的事件
 protected void gvNewsList_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        //这里是关键，在绑定数据的时候要指定主键名称，比如字段id，在这里可以获得这条记录的id
        //而这个id就是我们要更改的数据的id

        string ids = gvNewsList.DataKeys[e.RowIndex].Value.ToString();

      //如果有多个DataKeyNames可以通过下面这个方法得到指定的一个 

　　 //string ids = gvNewsList.DataKeys[e.RowIndex][0].ToString();

        SystemMemberLevelModel systemMemberLevelModel = systemMemberLevelBll.GetModel(Convert.ToInt64(ids));
        if (string.IsNullOrEmpty(((TextBox)gvNewsList.Rows[e.RowIndex].Cells[0].Controls[0]).Text))
        {
            Common.MessageBox.Show(this, "请输入级别名称！");
            return;
        }
        else
        {
            systemMemberLevelModel.name = ((TextBox)gvNewsList.Rows[e.RowIndex].Cells[0].Controls[0]).Text;
        }

        //是否允许新增会员
        systemMemberLevelModel.isAllowAddMember = ((CheckBox)gvNewsList.Rows[e.RowIndex].Cells[5].Controls[0]).Checked;
        //是否缺省级别
        systemMemberLevelModel.isDefault = ((CheckBox)gvNewsList.Rows[e.RowIndex].Cells[6].Controls[0]).Checked;
        //是否新闻发布免审核
        systemMemberLevelModel.isFreeAuditNews = ((CheckBox)gvNewsList.Rows[e.RowIndex].Cells[7].Controls[0]).Checked;
        //   是否求购发布免审核
        systemMemberLevelModel.isFreeAuditProvPur = ((CheckBox)gvNewsList.Rows[e.RowIndex].Cells[4].Controls[0]).Checked;
        //供应发布数量
        if (!string.IsNullOrEmpty(((TextBox)gvNewsList.Rows[e.RowIndex].Cells[2].Controls[0]).Text))
        {
            systemMemberLevelModel.pubQuantityProv =Convert.ToInt64(((TextBox)gvNewsList.Rows[e.RowIndex].Cells[2].Controls[0]).Text);
        }
        //求购发布数量
        if (!string.IsNullOrEmpty(((TextBox)gvNewsList.Rows[e.RowIndex].Cells[3].Controls[0]).Text))
        {
            systemMemberLevelModel.pubQuantityPur = Convert.ToInt64(((TextBox)gvNewsList.Rows[e.RowIndex].Cells[3].Controls[0]).Text);
        }
        //序号
        if (!string.IsNullOrEmpty(((TextBox)gvNewsList.Rows[e.RowIndex].Cells[1].Controls[0]).Text))
        {
            systemMemberLevelModel.sort = Convert.ToInt32(((TextBox)gvNewsList.Rows[e.RowIndex].Cells[1].Controls[0]).Text); 
        }
        try
        {
            systemMemberLevelBll.Update(systemMemberLevelModel);
            gvNewsList.EditIndex = -1;
            BindData();

        }
        catch (System.Data.DataException x)
        {
            throw new System.Data.DataException(x.ToString());
        }

    }

//点击控件自带的删除按钮时执行的事件
    protected void gvNewsList_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        //这里同样是通过这个属性来获取id
        string ids = gvNewsList.DataKeys[e.RowIndex].Value.ToString();
        try
        {
            systemMemberLevelBll.Delete(Convert.ToInt64(ids));
            BindData();

        }
        catch (System.Data.DataException x)
        {
            throw new System.Data.DataException(x.ToString());
        }
      
    }



//GridView数据绑定 
   protected void BindData()
    {
        IList<SystemMemberLevelModel> list = systemMemberLevelBll.GetAllList();
        this.gvNewsList.DataSource = list;
        gvNewsList.DataKeyNames = new string[] { "id" };//主键
        gvNewsList.DataBind();
    }