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protected void Button1_Click(object sender, EventArgs e)
{
string sql = "select count(*) from t_admin where adminname='"+TextBox1.Text.Trim()+"' and adminpwd='"+TextBox2.Text.Trim()+"'";
SqlConnection con = DB.ceartcon();//DB是我连接数据库的类
SqlCommand cmd = new SqlCommand(sql,con);
int i = Convert.ToInt32(cmd.ExecuteScalar());
if (i > 0)
{
Session["name"] = TextBox1.Text.Trim();
Session["pwd"] = TextBox2.Text.Trim();
Response.Redirect("~/admin.aspx");
}
else
{
Response.Write("<script type='text/javascript'>alert('用户名或密码错误!')</script>");
}
}