1
我試圖刷新數據表後點擊按鈕後的新內容,但它也再次顯示以前的值。我想明確的(),但我怎麼能刷新的datagridview顯示我每次點擊按鈕後,我切換日期時間數據它不適合我清除數據表
protected void btnListItems_Click(object sender, EventArgs e)
{
lblMessage.Visible = false;
//lblEnddatse.Visible = true;
Boolean status = true;
Util objUtil = new Util();
String Message = "";
DateTime SDate = new DateTime();
DateTime EDate = new DateTime();
string str = "";
DataTable tbl = new DataTable();
DataTable dt = new DataTable();
DataRow dr;
String[] s1;
dt.Clear();
//DirectoryInfo d = new DirectoryInfo();
s1 = Directory.GetFiles(@"C:/TextFiles");
for (int i = 0; i <= s1.Length - 1; i++)
{
if (i == 0)
{
//Add Data Grid Columns with name
dt.Columns.Add("FileName");
dt.Columns.Add("GeneratedTime");
}
//Get each file information
FileInfo f = new FileInfo(s1[i]);
FileSystemInfo f1 = new FileInfo(s1[i]);
dr = dt.NewRow();
//Get File name of each file name
dr["FileName"] = f1.Name;
dr["GeneratedTime"] = f1.CreationTime.Date.ToString("dd/MM/yyyy");
string a = f1.CreationTime.Date.ToString("dd/MM/yyyy");
//Insert collected file details in Datatable
string fromdate = txtFromDate.Text.ToString();
string todate = txtToDate.Text.ToString();
if ((DateTime.ParseExact(a.ToString(),"dd/MM/yyyy",System.Globalization.CultureInfo.InvariantCulture)) >= DateTime.ParseExact(fromdate.ToString(),"dd/MM/yyyy",System.Globalization.CultureInfo.InvariantCulture))
{
if ((DateTime.ParseExact(a.ToString(), "dd/MM/yyyy", System.Globalization.CultureInfo.InvariantCulture)) <= DateTime.ParseExact(todate.ToString(), "dd/MM/yyyy", System.Globalization.CultureInfo.InvariantCulture))
{
dt.Rows.Add(dr);
}
}
if ((f.Length/1024) > 5000)
{
lblMessage.Text = "" + f1.Name + " had reach its size limit.";
}
else
{ }
}
if (dt.Rows.Count > 0)
{
gvFileGenStatus.DataSource = dt;
gvFileGenStatus.DataBind();
}
}
工作。 感謝提前的幫助..
它不工作了錯誤。 – shine
你會得到什麼錯誤? –
不包含明確的defenition – shine