ViewState["sortExpression"] = "Isdistribution";

ViewState["sort"] = " ASC";

}

//绑定信息

BindNodeInfo();

}

public void BindNodeInfo()

{

NodeLogic log = new NodeLogic();

DataSet myset = log.GetNodeInfo();     //获取数据源

DataView myview = myset.Tables[0].DefaultView;

myview.Sort = ViewState["sortExpression"].ToString() +" "+ ViewState["sort"].ToString();

this.NodeGridView.DataSource = myview;

NodeGridView.DataKeyNames = new string[] { "node_id" };               //设置主键字段

NodeGridView.DataBind();                                                  //绑定GridView控件

}

protected void NodeGridView_PageIndexChanging(object sender, GridViewPageEventArgs e)

{

this.NodeGridView.PageIndex = e.NewPageIndex;

BindNodeInfo();

}

protected void NodeGridView_RowDataBound(object sender, GridViewRowEventArgs e)

{

// 自动给第一列编号

if (e.Row.RowIndex > -1)

{

e.Row.Cells[0].Text = Convert.ToString(e.Row.RowIndex + 1);

}

}

protected void NodeGridView_RowDeleting(object sender, GridViewDeleteEventArgs e)

{

NodeLogic log = new NodeLogic();

int id = int.Parse(this.NodeGridView.DataKeys[e.RowIndex].Values[0].ToString());

if (log.DeleteNodeInfo(id))

{

this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", "alert('删除成功！');", true);

}

else

this.Page.ClientScript.RegisterStartupScript(this.GetType(), "", "alert('删除失败！');", true);

//重新更新数据显示

BindNodeInfo();

}

protected void NodemGridView_RowEditing(object sender, GridViewEditEventArgs e)

{

}

protected void AddNode_Click(object sender, EventArgs e)

{

Response.Redirect("AddNode.aspx");

}

protected void NodeGridView_Sorting(object sender, GridViewSortEventArgs e)

{

if (ViewState["sortExpression"] != null)

{

if (ViewState["sort"].ToString() == "Asc")

{

ViewState["sort"] = "Desc";

}

else

{

ViewState["sort"] = "Asc";

}

}

BindNodeInfo();

}