void Query_Worker_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
if (e.Result != null)
{
object[] obj = e.Result as object[];
if (obj != null)
{
if (obj[0] != null)
{
dtClone = obj[0] as DataTable;
//SetInfo(lbInfo);
PageIndex = 1;
SetPageCount(dtClone);
LoadData(dtClone, grid_KP);
//grid_KP.DataSource = obj[0];
}
}
}
}
private void Button_Pre_Click(object sender, EventArgs e)
{
if (PageIndex<=1)
{
MessageBox.Show("已經是第一頁!","提示",MessageBoxButtons.OK,MessageBoxIcon.Information);
return;
}
PageIndex--;
LoadData(dtClone,grid_KP);
}
private void Button_Next_Click(object sender, EventArgs e)
{
if (PageIndex >= PageCount)
{
MessageBox.Show("已經是最後一頁!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
PageIndex++;
LoadData(dtClone,grid_KP);
}
#region
private int PageCount = 0;//總頁數
private int PageSize = 10;//每頁記錄顯示條數
private int PageIndex = 0;//當前頁數
private int _Max = 0;
private DataTable dtClone = null;
private void SetInfo(Label lb)
{
lb.Text = string.Format("當前第{0}頁,總共{1}頁{2}條數據",PageIndex,PageCount,_Max);
}
/// <summary>
/// 設置頁數
/// </summary>
/// <param name="dt">源數據</param>
private void SetPageCount(DataTable dt)
{
_Max = dt.Rows.Count;
PageCount = _Max / PageSize;
if (_Max % PageSize > 0)
PageCount++;
}
private void LoadData(DataTable dt,DataGridView grid)
{
DataTable dtTemp = dt.Clone();
dtTemp.Clear();
for (int i = PageSize * (PageIndex - 1); i <(PageSize * PageIndex < _Max ? PageSize * PageIndex : _Max); i++)
{
dtTemp.ImportRow(dt.Rows[i]);
}
grid.DataSource = dtTemp;
grid_KP.Columns["物料描述"].Width = 280;
SetdataGridView(grid_KP);
SetInfo(lbInfo);
}
