我自己写了一个类,用来向客户端页面加入脚本弹出提示信息框,但是一直不能实现,请大家帮忙看看。public class MsgBoxShow
{
public MsgBoxShow()
{
//
//TODO: 在此处添加构造函数逻辑
//
}
/// <summary>
/// 显示“确定”,点击后转到预设的网址
/// </summary>
/// <param name="strMsg">提示信息</param>
/// <param name="URL">转跳网址</param>
public static void MsgBoxShowInfoAndRedirct(System.Web.UI.Page page, string strMsg, string URL)
{
StringBuilder builder = new StringBuilder();
builder.Append("<language='javascript' defer>");
builder.AppendFormat("alert('{0}');",strMsg);
builder.AppendFormat("top.location.href='{0}';", URL);
builder.Append("</script>");
page.RegisterStartupScript("message", builder.ToString());
}
}在login.aspx的后台代码中写入以下程序,但是都不能实现弹出提示框,只是在页面上输出了javascript的代码protected void btnSubmit_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection();
conn.ConnectionString = ConfigurationManager.ConnectionStrings["connStr"].ConnectionString;
SqlCommand cmd = new SqlCommand();
cmd.Connection = conn;
cmd.CommandText = "select * from users where username='" + txtUserName.Text.Trim() + "'";
conn.Open();
SqlDataReader dr = cmd.ExecuteReader();
if (dr.Read())
{
if (dr[2].ToString() == txtPwd.Text.Trim())
{
MsgBoxShow.MsgBoxShowInfoAndRedirct(this,"登陆成功!", "ManageNews.aspx");
//Session["UserName"] = txtUserName.Text.Trim();
//Response.Redirect("NewsManage.aspx");
}
else
{
MsgBoxShow.MsgBoxShowInfoAndRedirct(this, "密码错误!请重新输入", "login.aspx");
}
}
else
{
MsgBoxShow.MsgBoxShowInfoAndRedirct(this, "查无此用户!请重新输入", "login.aspx");
}
}
{
public MsgBoxShow()
{
//
//TODO: 在此处添加构造函数逻辑
//
}
/// <summary>
/// 显示“确定”,点击后转到预设的网址
/// </summary>
/// <param name="strMsg">提示信息</param>
/// <param name="URL">转跳网址</param>
public static void MsgBoxShowInfoAndRedirct(System.Web.UI.Page page, string strMsg, string URL)
{
StringBuilder builder = new StringBuilder();
builder.Append("<language='javascript' defer>");
builder.AppendFormat("alert('{0}');",strMsg);
builder.AppendFormat("top.location.href='{0}';", URL);
builder.Append("</script>");
page.RegisterStartupScript("message", builder.ToString());
}
}在login.aspx的后台代码中写入以下程序,但是都不能实现弹出提示框,只是在页面上输出了javascript的代码protected void btnSubmit_Click(object sender, EventArgs e)
{
SqlConnection conn = new SqlConnection();
conn.ConnectionString = ConfigurationManager.ConnectionStrings["connStr"].ConnectionString;
SqlCommand cmd = new SqlCommand();
cmd.Connection = conn;
cmd.CommandText = "select * from users where username='" + txtUserName.Text.Trim() + "'";
conn.Open();
SqlDataReader dr = cmd.ExecuteReader();
if (dr.Read())
{
if (dr[2].ToString() == txtPwd.Text.Trim())
{
MsgBoxShow.MsgBoxShowInfoAndRedirct(this,"登陆成功!", "ManageNews.aspx");
//Session["UserName"] = txtUserName.Text.Trim();
//Response.Redirect("NewsManage.aspx");
}
else
{
MsgBoxShow.MsgBoxShowInfoAndRedirct(this, "密码错误!请重新输入", "login.aspx");
}
}
else
{
MsgBoxShow.MsgBoxShowInfoAndRedirct(this, "查无此用户!请重新输入", "login.aspx");
}
}
public class MsgBoxShow
{
public MsgBoxShow()
{
//
//TODO: 在此处添加构造函数逻辑
//
}
/// <summary>
/// 显示“确定”,点击后转到预设的网址
/// </summary>
/// <param name="strMsg">提示信息</param>
/// <param name="URL">转跳网址</param>
public static void MsgBoxShowInfoAndRedirct(Type Get_type,System.Web.UI.Page page, string strMsg, string URL)
{
StringBuilder builder = new StringBuilder();
builder.Append("<language='javascript' defer>");
builder.AppendFormat("alert('{0}');",strMsg);
builder.AppendFormat("top.location.href='{0}';", URL);
builder.Append("</script>");
page.RegisterStartupScript(Get_type,"message", builder.ToString());
}
}
这样子
/// 提示信息
/// </summary>
/// <param name="str"></param>
protected void SysInfo()
{
ScriptManager.RegisterClientScriptBlock(this, this.GetType(), "sysinfo", "top.location.href='../default.aspx';", true);
}
{
StringBuilder builder = new StringBuilder();
builder.Append("<script type='text/javascript'>");
builder.AppendFormat("alert('{0}');", strMsg);
builder.AppendFormat("top.location.href='{0}';", URL);
builder.Append("</script>");
page.RegisterStartupScript("message", builder.ToString());
}