editteacher.aspx.cs

程序学生信息管理系统(SQL2000+ASP.NET+c#+)

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 SMS;
using System.Data.SqlClient;
public partial class Default2 : System.Web.UI.Page
{
   OPDataBase OP = new OPDataBase();

    static string Sql = "select Age,Sex,Name,Address,DepartmentID,Phone from Teacher ";
   
    protected void Page_Load(object sender, EventArgs e)
    {
        GridView1.Attributes.Add("style", "table-layout:fixed");
        if (!IsPostBack)
        {
            bindate();
        
        }
        if ((int)Session["Power"] != 0)
        {
            GridView1.Columns[6].Visible = false;
            GridView1.Columns[7].Visible = false;
        }

    }
    public void bindate()
    {
        SqlConnection conn = new SqlConnection(OP .getConnection ());
        conn.Open();
        //string sql = "select *from Teacher";
       // string x = "Name";
    
        SqlDataAdapter da = new SqlDataAdapter(Sql, conn);
        DataSet ds = new DataSet();
        da.Fill(ds);
        GridView1.DataSource = ds;
       GridView1.DataKeyNames = new string[] { "Name" };
        GridView1.DataBind();
        conn.Close();
      
        //OP.BinData(sql,GridView1 );
        //GridView1.DataKeyNames =new string []{x};
    
    
    
    }



    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        try
        {
            GridView1.PageIndex = e.NewPageIndex;
            bindate();
        }
        catch { }
    }
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        GridView1.EditIndex = e.NewEditIndex;
        bindate();
    }
    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        GridView1.EditIndex = -1;
        bindate();
    }
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    { 
        SqlConnection conn = new SqlConnection( OP .getConnection ());
        string sqlstr = "update Teacher set  Name='"
          + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[0].Controls[0])).Text.ToString().Trim() + "',Age='"
          + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',Sex='"
          + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim() + "',Phone='"
          + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "',Address='"
          + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[4].Controls[0])).Text.ToString().Trim() + "',DepartmentID='"
          + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[5].Controls[0])).Text.ToString().Trim() + "' where Name='"
          + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[0].Controls[0])).Text.ToString().Trim() + "'";
         
        SqlCommand cmd = new SqlCommand(sqlstr, conn);
        conn.Open();
        try
        {
            cmd.ExecuteNonQuery();
            conn.Close();
            GridView1.EditIndex = -1;
            bindate();
        }
        catch (SqlException ex)
        {
            string a = ex.Message .ToString();
            Label2.Text = a;
            
        }

        conn.Close();
    }
    protected void chaxun_btn_Click(object sender, EventArgs e)
    {
        SqlConnection conn = new SqlConnection(OP.getConnection());
        Sql= "select *from Teacher where  "+DropDownList1 .SelectedValue .ToString ()+"='"+Infor_box .Text .Trim ()+"'";
       
        try
        {
            OP.BinData(Sql ,GridView1 );
           
        }
        catch ( Exception  ex1)
        {
            string a = ex1.Message.ToString();
            Label2.Text = a;
        }
    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        SqlConnection conn = OP.sqlConnection();

        string sql = "delete from Teacher where Name='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
        SqlCommand cmd = new SqlCommand(sql , conn);
        conn.Open();
        cmd.ExecuteNonQuery();
        conn.Close();
     
        bindate ();
   

    }
    protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            //鼠标经过时，行背景色变 
            e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#E6F5FA'");
            //鼠标移出时，行背景色变 
            e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='#FFFFFF'");
            //((ImageButton)(e.Row.Cells[9].Controls[0])).Attributes.Add("onclick", "return confirm('你确认要删除吗?')");
            //如果是绑定数据行 //清清月儿http://blog.csdn.net/21aspnet 
        }

    }
    protected void ImageButton5_Click(object sender, ImageClickEventArgs e)
    {
        Sql = "select Age,Sex,Name,Address,DepartmentID,Phone from Teacher ";
        bindate();
    }
}