default.aspx.cs

来自「水晶报表详细资料水晶报表详细资料水晶报表详细资料」· CS 代码 · 共 80 行

using System;
using System.Data;
using System.Configuration;
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
{
    protected void Page_Load(object sender, EventArgs e)
    {
        BindData();
    }


    private void BindData()
    {
        SqlConnection myconn = new SqlConnection("server=(local);Database=fangdawei;Uid=sa;Pwd=");
        SqlDataAdapter da = new SqlDataAdapter("select * from tb_BookInfo order by BookID desc", myconn);
        DataSet ds = new DataSet();
        da.Fill(ds, "x");
        GridView1.DataSource = ds.Tables["x"];
        GridView1.DataBind();
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        SqlConnection con = new SqlConnection("Data Source=(local);Database=fangdawei;Uid=sa;Pwd=;");
        con.Open();
        string str = "select count(*) from tb_BookInfo where BookName='" + TextBox1.Text.ToString() + "'";
        SqlCommand com = new SqlCommand(str, con);
        int intcont = Convert.ToInt32(com.ExecuteScalar());
        if (intcont > 0)
        {   
            Response.Write("<script language=javascript>alert('对不起!不允许填写相同记录！')</script>");
        }
        else
        {
            try
            {
                //插入命令
                string sqlstr = "insert into tb_BookInfo (BookName,BookIntroduce,BookPrice,BookIsNew) values(@BookName,@BookIntroduce,@BookPrice,@BookIsNew)";
                SqlCommand mycom = new SqlCommand(sqlstr, con);
                //添加参数
                mycom.Parameters.Add(new SqlParameter("@BookName", SqlDbType.VarChar,50));
                mycom.Parameters.Add(new SqlParameter("@BookIntroduce", SqlDbType.VarChar,50));
                mycom.Parameters.Add(new SqlParameter("@BookPrice", SqlDbType.Money,8));
                mycom.Parameters.Add(new SqlParameter("@BookIsNew", SqlDbType.Char,10));
                //给参数赋值
                mycom.Parameters["@BookName"].Value = TextBox1.Text;
                mycom.Parameters["@BookIntroduce"].Value = TextBox2.Text;
                mycom.Parameters["@BookPrice"].Value = Convert.ToDecimal(TextBox3.Text);
                mycom.Parameters["@BookIsNew"].Value = DropDownList1.SelectedValue.ToString();

                //执行添加语句
                mycom.ExecuteNonQuery();
                con.Close();
                BindData();
                Response.Write("<script language=javascript>alert('添加成功!')</script>");
            }
            catch
            {
                //Response.Write("<script language=javascript>alert('添加失败！')</script>");
            }
        }


    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        GridView1.PageIndex = e.NewPageIndex;
        GridView1.DataBind();
    }

}