程式搜集分享精靈

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;
using System.Web.Configuration;

public partial class d17_Insert : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
protected void Button2_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection(WebConfigurationManager.ConnectionStrings["testConnectionString"].ConnectionString);
SqlDataAdapter da = new SqlDataAdapter("select * from test", conn);
DataSet ds = new DataSet();
da.Fill(ds, "test");
da.FillSchema(ds, SchemaType.Source, "test");
SqlCommandBuilder sb = new SqlCommandBuilder(da);

DataTable dt = ds.Tables["test"];
DataRow dr = dt.NewRow();

dr["title"] = TextBox1.Text;
dr["class"] = DropDownList1.SelectedValue;
dr["summary"] = TextBox2.Text;
dr["article"] = TextBox3.Text;
dr["author"] = TextBox4.Text;
dr["test_time"] = DateTime.Now.ToShortDateString();
dt.Rows.Add(dr);
da.Update(ds,"test");

if (dt != null)
{
dt.Dispose();
}
ds.Dispose();
da.Dispose();
conn = null;
Response.Redirect("d17.aspx");
}

protected void DropDownList1_Init(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection(WebConfigurationManager.ConnectionStrings["testConnectionString"].ConnectionString);
SqlDataAdapter da = new SqlDataAdapter("select distinct class from test", conn);
DropDownList dd = sender as DropDownList;
DataTable dt = new DataTable() ;
da.Fill(dt);
dd.DataTextField = "class";
dd.DataSource =dt;
dd.DataBind();
dt.Dispose();
da.Dispose();
conn = null;
}
}