MySignList.aspx.cs

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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;
using System.Data.SqlClient;
public partial class MySignList : System.Web.UI.Page     
{
    Alert al = new Alert();
    protected void Page_Load(object sender, EventArgs e)
    {
        this.Title = "《计算机通信与安全》课程教学网站";
        if (!IsPostBack)
        {
            if (Session["UserName"] != null)
            {
                GetDate();
            }
            else
            {
                Alert.AlertAndRedirect("对不起您还没有登录", "Default.aspx");
            }
        }
    }

    protected void gvInfo_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        gvInfo.PageIndex = e.NewPageIndex;
        GetDate();
    }

    protected void gvInfo_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        //鼠标移动变色
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            //当鼠标放上去的时候 先保存当前行的背景颜色 并给附一颜色 
            e.Row.Attributes.Add("onmouseover", "currentcolor=this.style.backgroundColor;this.style.backgroundColor='#f6f6f6',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='';");
        }
        //单击行改变行背景颜色 
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            e.Row.Attributes.Add("onclick", "this.style.backgroundColor='#f6f6f6'; this.style.color='buttontext';this.style.cursor='default';");
        }

    }

    protected void gvInfo_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        SqlHelper mydata = new SqlHelper();

        //string ID = gvInfo.DataKeys[e.RowIndex].Values[0].ToString();
        //try