我正在寻找一些技巧来防止 SQL 注入。我在一个论坛上被告知我的代码不安全,我正在寻找足够好的人来帮助我解决这个问题。
我有一个网络表单,在提交时会转到 aspx.cs 页面并将数据插入到 ms sql 数据库中。
protected void Submit_Click(object sender, EventArgs e)
{
string FullStartTime = StartTimeHourList.SelectedValue + ":" + StartTimeMinuteList.SelectedValue + " " + StartTimeAMList.SelectedValue;
string FullEndTime = EndTimeHourList.SelectedValue + ":" + EndTimeMinuteList.SelectedValue + " " + EndTimeAMList.SelectedValue;
OleDbConnection conn;
OleDbCommand cmd;
conn = new System.Data.OleDb.OleDbConnection("");
cmd = new System.Data.OleDb.OleDbCommand();
conn.Open();
cmd.Connection = conn;
var sql = String.Format(@"INSERT INTO FormTable1 (Nonprofit, Contact, Phone, Email, Event, StartDate, EndDate, StartTime, EndTime, Place, Comments, SubmitDate) values
('{0}','{1}','{2}','{3}','{4}','{5}','{6}','{7}','{8}','{9}','{10}','{11}')",
NonprofitTxtBox.Text, ContactTxtBox.Text, PhoneTxtBox.Text, EmailTxtBox.Text, EventTxtBox.Text,
StartDateTxtBox.Text, EndDateTxtBox.Text, FullStartTime, FullEndTime, PlaceTxtBox.Text, CommentsTxtBox.Text, DateTime.Now);
cmd.CommandText = sql;
cmd.ExecuteNonQuery();
conn.Close();
}