HuaiChang's Blog - 怀昶

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 ProStockEarning : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (Session["pass"] == null)
Response.Redirect("Default.aspx");
if (!Page.IsPostBack)
{
bind();
}
}

public void bind()
{
GridView1.AllowPaging = true;
GridView1.PageSize = 5;
string settings = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("qiyeguanlixitong.mdb");
OleDbConnection con = new OleDbConnection(settings);
con.Open();
string Str = "SELECT [商品编号],[库存数量],[库存预警量] FROM [ProStock]";
OleDbDataAdapter ada = new OleDbDataAdapter(Str, con);
DataSet ds = new DataSet();
ada.Fill(ds);
GridView1.DataSource=ds;
GridView1.DataBind();
ButtonField button = new ButtonField();
button.HeaderText = "选择";
button.Text = "选择";
button.CommandName = "select";
GridView1.Columns.Add(button);
GridView1.Dispose();
con.Close();
}
protected void Stock_Change_Click(object sender, EventArgs e)
{
try
{
string settings = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("qiyeguanlixitong.mdb");
OleDbConnection mycon = new OleDbConnection(settings);
mycon.Open();
OleDbCommand mycom = new OleDbCommand();
mycom.Connection = mycon;
mycom.CommandText = "Select * From ProStock";
OleDbDataAdapter myda= new OleDbDataAdapter();
myda.SelectCommand = mycom;
DataSet myds = new DataSet();
myda.Fill(myds);
OleDbCommandBuilder mycmb = new OleDbCommandBuilder();
mycmb.DataAdapter = myda;
OleDbDataReader reader = mycom.ExecuteReader();
int i= 0;
while (reader.Read())
{
if (reader[0].ToString()==TextBox1.Text)
break;
i++;
}
DataRow dr = myds.Tables[0].Rows[i];
dr["库存预警量"] = TextBox3.Text;
reader.Close();
myda.Update(myds);
mycon.Close();
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
finally
{
Response.Redirect("ProStockEarning.aspx");
}
}
protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridView1.PageIndex = e.NewPageIndex;
bind(); //重新绑定GridView数据的函数
}
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
bind();
if (e.CommandName == "select")
{
TextBox[] txt = new TextBox[] { TextBox1, TextBox2, TextBox3 };
int i;
for (i = 0; i < 3; i++)
{
if (txt[i].Text != "")
txt[i].Text.Remove(0);
}
int m;
m = Convert.ToInt32(e.CommandArgument);
GridViewRow row = GridView1.Rows[m];
TextBox1.Text = row.Cells[1].Text;
TextBox2.Text = row.Cells[2].Text;
TextBox3.Text = row.Cells[3].Text;
}
}
}
这个怎么实现？？急啊！