label.Text = string.Format(\change); // 设置模板列image控件的图像
System.Web.UI.WebControls.Image img = (System.Web.UI.WebControls.Image)grid.FindRowCellTemplateControl(e.VisibleIndex, null, \e\
img.Visible = false; if(change != 0) {
img.Visible = true;
img.ImageUrl = change < 0 ? \: \arGreen.gif\
label.ForeColor = change < 0 ? Color.Red : Color.Green; } }
HtmlRowPrepared（行准备？可在此设置行的展示效果，如背景）
protected void grid_HtmlRowPrepared(object sender, ASPxGridViewTableRowEventArgs e) {
bool hasError = e.GetValue(\<= 1; hasError = hasError || e.GetValue(\<= 1;
hasError = hasError || !e.GetValue(\ hasError = hasError || (int)e.GetValue(\< 18;
DateTime arrival = (DateTime)e.GetValue(\
hasError = hasError || DateTime.Today.Year != arrival.Year || DateTime.Today.Month != arrival.Month; if(hasError) {
e.Row.ForeColor = System.Drawing.Color.Red; } }
UnboundColumnData （非绑定列数据填充）
protected void grid_CustomUnboundColumnData(object sender, DevExpress.Web.ASPxGridView.ASPxGridViewColumnDataEventArgs e) {
if(e.Column.FieldName == \ {
decimal price = (decimal)e.GetListSourceFieldValue(\ int quantity = Convert.ToInt32(e.GetListSourceFieldValue(\\
e.Value = price * quantity; } }
CustomColumnDisplayText（定制列文本展示）
protected void grid_CustomColumnDisplayText(object sender, DevExpress.Web.ASPxGridView.ASPxGridViewColumnDisplayTextEventArgs e)
{
if(object.Equals(e.Column, grid.Columns[\ e.DisplayText = GetSizeDisplayText(e.Value); }
SummaryDisplayText（合计行文本展示）
protected void grid_SummaryDisplayText(object sender, DevExpress.Web.ASPxGridView.ASPxGridViewSummaryDisplayTextEventArgs e) { if(e.Item.FieldName == \{
e.Text = GetSizeDisplayText(e.Value); } }
HeaderFilterFillItems（自定义过滤器处理逻辑）
protected void grid_HeaderFilterFillItems(object sender, ASPxGridViewHeaderFilterEventArgs e) {
if(object.Equals(e.Column, grid.Columns[\{ PrepareTotalFilterItems(e); return; }
if(object.Equals(e.Column, grid.Columns[\{ PrepareQuantityFilterItems(e); return; } }
--------------------------------------------------------- 回调处理
--------------------------------------------------------- CustomCallback（Ajax 回调处理）
protected void grid_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e) {
int layoutIndex = -1;
if(int.TryParse(e.Parameters, out layoutIndex)) ApplyLayout(layoutIndex); // 更换布局 }
CustomButtonCallback（定制按钮的ajax回调处理）
protected void grid_CustomButtonCallback(object sender, ASPxGridViewC
