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public static string KeepNum(string str)
{
char[] tmp = new char[str.Length];
char[] s = str.ToCharArray();
for (int i = 0, j = 0; i < str.Length; i++)
{
if (s[i] >= '0' && s[i] <= '9')
{
tmp[j] = s[i];
j++;
}
}
return new string(tmp);
}
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<input name = "param1" value = "1111"/>
<input name = "param2" value = "2222"/>
</form>
....
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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
......
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using System.Data;
using System.Data.OleDb;
......
string strConnection="Provider=Microsoft.Jet.OleDb.4.0;";
strConnection+ ......
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if (!IsPostBack)
{
Response.Buffer = true;
......