default.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 _Default : System.Web.UI.Page
{
    SqlConnection myConn;
    SqlDataAdapter adapter;
    SqlCommand myCmd;
    DataSet ds;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            gvBind();
        }
    }
    protected SqlConnection GetConnectionString()
    {
        return (new SqlConnection(ConfigurationManager.AppSettings["ConnectionString"].ToString()));
    }
    protected void gvBind()
    {
        try
        {
            myConn =GetConnectionString() ;
            string strsql = "select * from tb_Student Order by 学生编号 Desc";
            adapter = new SqlDataAdapter(strsql, myConn);
            ds = new DataSet();
            adapter.Fill(ds);
            this.GridView1.DataSource = ds.Tables[0].DefaultView;
            this.GridView1.DataBind();
            for(int i=0;i<this.GridView1.Rows.Count;i++)
            {
                DataRowView drv=ds.Tables[0].DefaultView[i];
                this.GridView1.Rows[i].Cells[4].Text = Convert.ToDateTime(drv[3].ToString()).ToShortDateString();
            }

        }
        catch(Exception ex)
        {
            Response.Write(ex.ToString());
        }
        finally
        {
            myConn.Dispose();
            adapter.Dispose();
            ds.Dispose();
        }
       
    }
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            //鼠标移动到GridView控件的任意行时，该行自动变成指定颜色
            e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#BEC9F6';this.style.color='buttontext';this.style.cursor='default';");
            e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='';this.style.color=''");
            //单击删除按钮时，添加删除确认
            ((LinkButton)(e.Row.Cells[0].Controls[0])).Attributes.Add("onclick","return confirm('确定删除吗？')");
        }
    }

    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        try
        {
            string strDeleteID = this.GridView1.Rows[e.RowIndex].Cells[1].Text;
            myConn = GetConnectionString();
            string strSql = "delete from tb_Student where 学生编号=" + strDeleteID;
            myCmd = new SqlCommand(strSql, myConn);
            myConn.Open();
            myCmd.ExecuteNonQuery();
            gvBind();
        }
        catch (Exception ex)
        {
            Response.Write(ex.ToString());
        }
        finally
        {
            myConn.Close();
            myConn.Dispose();
            myCmd.Dispose();
        }
    }

}