hmgl.aspx.cs

ASP.net+Access数据库源码数据库源码

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.OleDb;

public partial class Admin_hmgl : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            OleDbConnection con = DB.mycon();
            con.Open();
            OleDbCommand cmm = new OleDbCommand("select distinct bmID,bmName from bmTable", con);
            OleDbDataReader ddr = cmm.ExecuteReader();
            this.DropDownList1.DataSource = ddr;
            this.DropDownList1.DataTextField = "bmName";
            this.DropDownList1.DataValueField = "bmID";
            this.DropDownList1.DataBind();
            ddr.Close();

            OleDbCommand com = new OleDbCommand("select bsID,bsName from bmTable where bmID = '" + DropDownList1.Text.ToString().Trim() + "'", con);
            OleDbDataReader ddrr = com.ExecuteReader();
            this.DropDownList2.DataSource = ddrr;
            this.DropDownList2.DataTextField = "bsName";
            this.DropDownList2.DataValueField = "bsID";
            this.DropDownList2.DataBind();
            ddrr.Close();
            con.Close();
            BindToDataGrid();
        }
    }

    private void BindToDataGrid()
    {
        OleDbConnection con =DB.mycon();
        con.Open();
        OleDbCommand cmd = new OleDbCommand("select bmTable.bmName,bmTable.bsName,telph.telnumber,telph.telperson from bmTable,telph where bmTable.bmID=telph.bmID and bmTable.bsID=telph.bsID and telph.bmID='"+DropDownList1.Text.Trim()+"' and telph.bsID='"+DropDownList2.Text.Trim()+"'",con);
        OleDbDataAdapter da = new OleDbDataAdapter(cmd);
        DataSet ds = new DataSet();
        da.Fill(ds);
        con.Close();
        this.DataGrid1.DataKeyField = "telnumber";
        this.DataGrid1.DataSource = ds.Tables[0];
        this.DataGrid1.DataBind();
    }

    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        OleDbConnection con = DB.mycon();
        con.Open();
        OleDbCommand com = new OleDbCommand("select bsID,bsName from bmTable where bmID = '" + DropDownList1.Text.ToString().Trim() + "'", con);
        OleDbDataReader ddrr = com.ExecuteReader();
        this.DropDownList2.DataSource = ddrr;
        this.DropDownList2.DataTextField = "bsName";
        this.DropDownList2.DataValueField = "bsID";
        this.DropDownList2.DataBind();
        ddrr.Close();
        BindToDataGrid();
    }

    protected void DropDownList2_SelectedIndexChanged(object sender, EventArgs e)
    {
        BindToDataGrid();
    }

    protected void DataGrid1_DeleteCommand(object source, DataGridCommandEventArgs e)
    {
        string telnumber = this.DataGrid1.DataKeys[e.Item.ItemIndex].ToString();
        OleDbConnection con = DB.mycon();
        con.Open();
        OleDbCommand cmd = new OleDbCommand("delete from telph where bmID='"+DropDownList1.Text.Trim()+"' and bsID='"+DropDownList2.Text.Trim()+"' and telnumber='"+telnumber+"'",con);
        cmd.ExecuteNonQuery();
        con.Close();
        BindToDataGrid();

    }

    protected void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            //鼠标悬停高亮显示
            e.Item.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#fff5ee'");
            e.Item.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
            //删除询问
            ((LinkButton)(e.Item.Cells[4].Controls[0])).Attributes.Add("onclick", "return confirm('确认删除吗？');");
        }
    }


    protected void DataGrid1_EditCommand(object source, DataGridCommandEventArgs e)
    {
        this.DataGrid1.EditItemIndex = e.Item.ItemIndex;
        BindToDataGrid();
    }


    protected void DataGrid1_UpdateCommand(object source, DataGridCommandEventArgs e)
    {
        string telnumber = this.DataGrid1.DataKeys[e.Item.ItemIndex].ToString();
        string telperson = ((TextBox)(e.Item.Cells[2].Controls[0])).Text;
        string tel = ((TextBox)(e.Item.Cells[3].Controls[0])).Text;
        //string bsName = ((TextBox)(e.Item.Cells[1].Controls[0])).Text;
        OleDbConnection con = DB.mycon();
        con.Open();
        OleDbCommand cmd = new OleDbCommand("update telph set telperson='" + telperson + "',telnumber='" + tel + "' where telnumber='" + telnumber + "'", con);
        cmd.ExecuteNonQuery();
        BindToDataGrid();
    }

    protected void DataGrid1_CancelCommand(object source, DataGridCommandEventArgs e)
    {
        this.DataGrid1.EditItemIndex = -1;
        BindToDataGrid();
    }
    
    protected void DataGrid1_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
    {
        this.DataGrid1.CurrentPageIndex = e.NewPageIndex;
        BindToDataGrid();
    }
}