protected override void CreateChildControls()
{
if (Convert.ToBoolean(ViewState["IsFirst"]))
{
//Insert Move Up Column
TemplateField tempMoveUp = new TemplateField();
tempMoveUp.HeaderText = WebControlLocalization.GetText("ManageGridView_MoveUp");
tempMoveUp.HeaderStyle.Width = new Unit("50");
Columns.Add(tempMoveUp);
//Insert Move Down Column
TemplateField tempMoveDown = new TemplateField();
tempMoveDown.HeaderText = WebControlLocalization.GetText("ManageGridView_MoveDown");
tempMoveDown.HeaderStyle.Width = new Unit("50");
Columns.Add(tempMoveDown);
//Insert Operation Column
TemplateField tempOperation = new TemplateField();
tempOperation.HeaderText = WebControlLocalization.GetText("ManageGridView_Operation");
tempOperation.HeaderStyle.Width = new Unit("100");
Columns.Add(tempOperation);
ViewState["IsFirst"] = false;
}
base.CreateChildControls();
}
/// <summary>
/// Generates the HTML markup to describe the current page (0-based)
/// </summary>
/// <param name="cell">TableCell</param>
private void BuildCurrentPage(TableCell cell)
{
// Use a standard template: Page X of Y
if (PageIndex < 0 || PageIndex >= PageCount)
{
cell.Text = EmptyDataText;
}
else
{
cell.Text = String.Format(WebControlLocalization.GetText("ManageGridView_CurrentPage"), (PageIndex + 1), PageCount, RecordCount, PageSize);
}
}
protected override void RenderAttributes(HtmlTextWriter writer)
{
this.Attributes.Add("type", "reset");
this.Attributes.Add("value", WebControlLocalization.GetText("ResetButton_Reset"));
this.Attributes.Add("class", "btn_mouseout");
this.Attributes.Add("onmouseover", "this.className='btn_mouseover'");
this.Attributes.Add("onmouseout", "this.className='btn_mouseout'");
this.Attributes.Add("onmousedown", "this.className='btn_mousedown'");
this.Attributes.Add("onmouseup", "this.className='btn_mouseup'");
if (this.ApplyOnClickEvent)
{
this.Attributes.Add("onclick", "this.blur();");
}
base.RenderAttributes(writer);
}
/// <summary>
/// 重写属性输出函数
/// </summary>
/// <param name="writer">要写出到的 HTML 编写器</param>
protected override void AddAttributesToRender(HtmlTextWriter writer)
{
this.Attributes.Add("class", "btn_mouseout");
this.Attributes.Add("onmouseover", "this.className='btn_mouseover'");
this.Attributes.Add("onmouseout", "this.className='btn_mouseout'");
this.Attributes.Add("onmousedown", "this.className='btn_mousedown'");
this.Attributes.Add("onmouseup", "this.className='btn_mouseup'");
switch (this.ButtonType)
{
case EnumButtonType.Add:
this.Text = WebControlLocalization.GetText("Button_Add");
if (this.ApplyOnClickEvent)
{
this.Attributes.Add("onclick", "this.blur();");
}
break;
case EnumButtonType.Save:
this.Text = WebControlLocalization.GetText("Button_Save");
if (this.ApplyOnClickEvent)
{
this.Attributes.Add("onclick", "this.blur();");
}
break;
case EnumButtonType.Delete:
this.Text = WebControlLocalization.GetText("Button_Delete");
if (this.ApplyOnClickEvent)
{
this.Attributes.Add("onclick", "this.blur();if (zrWebCheckBox_CheckHasData('chkGroup1')) {return confirm('您确定要删除所选内容吗？');}else {alert('您还未选择任何记录！');return false;}");
}
break;
case EnumButtonType.ResetPassword:
this.Text = WebControlLocalization.GetText("Button_ResetPassword");
if (this.ApplyOnClickEvent)
{
this.Attributes.Add("onclick", "this.blur();return confirm('" + WebControlLocalization.GetText("Button_ResetConfirmation") + "');");
}
break;
}
base.AddAttributesToRender(writer);
}
/// <summary>
/// Generates the HTML markup for the Next/Prev navigation bar
/// </summary>
/// <param name="cell"></param>
private void BuildNextPrevUI(TableCell cell)
{
bool isValidPage = (PageIndex >= 0 && PageIndex <= PageCount - 1);
bool canMoveBack = (PageIndex > 0);
bool canMoveForward = (PageIndex < PageCount - 1);
// Render the << button
LinkButton first = new LinkButton();
first.ID = "First";
first.CommandName = "Page";
first.CommandArgument = "First";
first.Text = WebControlLocalization.GetText("ManageGridView_FirstPage");
first.Enabled = isValidPage && canMoveBack;
first.CssClass = "list_link";
cell.Controls.Add(first);
// Add a separator
cell.Controls.Add(new LiteralControl(" "));
// Render the < button
LinkButton prev = new LinkButton();
prev.ID = "Prev";
prev.CommandName = "Page";
prev.CommandArgument = "Prev";
prev.Text = WebControlLocalization.GetText("ManageGridView_PreviousPage");
prev.Enabled = isValidPage && canMoveBack;
prev.CssClass = "list_link";
cell.Controls.Add(prev);
// Add a separator
cell.Controls.Add(new LiteralControl(" "));
// Render the > button
LinkButton next = new LinkButton();
next.ID = "Next";
next.CommandName = "Page";
next.CommandArgument = "Next";
next.Text = WebControlLocalization.GetText("ManageGridView_NextPage");
next.Enabled = isValidPage && canMoveForward;
next.CssClass = "list_link";
cell.Controls.Add(next);
// Add a separator
cell.Controls.Add(new LiteralControl(" "));
// Render the >> button
LinkButton last = new LinkButton();
last.ID = "Last";
last.CommandName = "Page";
last.CommandArgument = "Last";
last.Text = WebControlLocalization.GetText("ManageGridView_LastPage");
last.Enabled = isValidPage && canMoveForward;
last.CssClass = "list_link";
cell.Controls.Add(last);
// Add a separator
cell.Controls.Add(new LiteralControl(" "));
//Render a textbox
pagenum.ID = "pagenum";
pagenum.Width = new Unit("20");
pagenum.Height = new Unit("13");
pagenum.Text = Convert.ToString(PageIndex + 1);
pagenum.CssClass = "gridview_pagenum";
cell.Controls.Add(pagenum);
// Render navigation link
LinkButton pageNavigator = new LinkButton();
pageNavigator.ID = "pageNavigator";
pageNavigator.Click += new EventHandler(pageNavigator_Click);
pageNavigator.Text = WebControlLocalization.GetText("ManageGridView_GoPage");
pageNavigator.CssClass = "list_link";
cell.Controls.Add(pageNavigator);
}
protected override void OnRowCreated(GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.Header)
{
//DisplaySortOrderImages(SortExpressionCust, e.Row);
//this.CreateRow(0, 0, DataControlRowType.EmptyDataRow, DataControlRowState.Normal);
}
if (this.AllowPaging)
{
IEnumerable dataSource = this.DataSource as IEnumerable;
if (dataSource != null)
{
IEnumerator iEnum = dataSource.GetEnumerator();
int i = 0;
while (iEnum.MoveNext())
{
i++;
}
this.Page.Visible = (i > 0);
}
}
//固定表头 ziyan 2006-12-16
//if (e.Row.RowType == DataControlRowType.Header)
//{
// foreach (TableCell cell in e.Row.Cells)
// {
// cell.CssClass = "fhc";
// }
//}
if (e.Row.RowType == DataControlRowType.DataRow)
{
//insert ImageButton for move up
ImageButton imgbtnup = new ImageButton();
imgbtnup.ID = "ImageButtonUp";
imgbtnup.ImageUrl = "../images/gridview/up.gif";
imgbtnup.ToolTip = WebControlLocalization.GetText("ManageGridView_MoveUp");
imgbtnup.CommandName = "MoveUp";
imgbtnup.CommandArgument = (this.Rows.Count).ToString();
e.Row.Cells[this.Columns.Count - 3].Controls.Add(imgbtnup);
//insert ImageButton for move up
ImageButton imgbtndown = new ImageButton();
imgbtndown.ID = "ImageButtonDown";
imgbtndown.ImageUrl = "../images/gridview/down.gif";
imgbtndown.ToolTip = WebControlLocalization.GetText("ManageGridView_Down");
imgbtndown.CommandName = "MoveDown";
imgbtndown.CommandArgument = (this.Rows.Count).ToString();
e.Row.Cells[this.Columns.Count - 2].Controls.Add(imgbtndown);
//insert ImageButton for edit
HyperLink link = new HyperLink();
link.ID = "hyperLinkEdit";
link.ImageUrl = "../images/gridview/edit.gif";
link.ToolTip = WebControlLocalization.GetText("ManageGridView_Modify");
e.Row.Cells[this.Columns.Count - 1].Controls.Add(link);
System.Web.UI.WebControls.Literal space = new System.Web.UI.WebControls.Literal();
space.Text = " ";
e.Row.Cells[this.Columns.Count - 1].Controls.Add(space);
//insert ImageButton for delete
ImageButton imgbtndelete = new ImageButton();
imgbtndelete.ID = "ImageButtonDelete";
imgbtndelete.ImageUrl = "../images/gridview/delete.gif";
imgbtndelete.ToolTip = WebControlLocalization.GetText("ManageGridView_Delete");
imgbtndelete.CommandName = "Delete";
imgbtndelete.CommandArgument = (this.Rows.Count).ToString();
e.Row.Cells[this.Columns.Count - 1].Controls.Add(imgbtndelete);
}
else if (e.Row.RowType == DataControlRowType.Pager && this.AllowPaging)
{
TableCell tc = new TableCell();
e.Row.Controls.Clear();
Table t = new Table();
t.Width = Unit.Percentage(100);
t.CellPadding = 0;
t.CellSpacing = 0;
// Build the table row
TableRow row = new TableRow();
t.Rows.Add(row);
// Build the cell with the page index
TableCell cellPageDesc = new TableCell();
cellPageDesc.Style.Add("border", "0");
cellPageDesc.Style.Add("text-align", "left");
BuildCurrentPage(cellPageDesc);
row.Cells.Add(cellPageDesc);
// Build the cell with navigation bar
TableCell cellNavBar = new TableCell();
if (PagingStyle == PagingStyle.PrevNext)
{
BuildNextPrevUI(cellNavBar);
}
else
{
BuildNumericPagesUI(cellNavBar);
}
cellNavBar.Style.Add("border", "0");
cellNavBar.Style.Add("text-align", "right");
row.Cells.Add(cellNavBar);
tc.ColumnSpan = this.Columns.Count;
tc.Controls.Add(t);
// Add the table to the control tree
e.Row.Controls.Add(tc);
}
base.OnRowCreated(e);
}
protected override void OnRowDataBound(GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
//Alternating BackColor when mouse moving
if (base.Rows.Count % 2 == 0)
{
e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='" + GetColorName(this.RowStyle.BackColor) + "';");
}
else
{
e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='" + GetColorName(this.AlternatingRowStyle.BackColor) + "';");
}
//Highlight Color
e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='" + GetColorName(this.SelectedRowStyle.BackColor) + "';");
//Confirm delete
if (e.Row.Cells[this.Columns.Count - 1].Controls.Count > 0)
{
//do nothing if in design mode, otherwise vs cannot render the control. The code below only excute in running time.
//Site != null && !Site.DesignMode ||
if (!this.DesignMode)
{
Label lblId = (Label)e.Row.FindControl("lblId");
if (lblId != null)
{
HyperLink btnEdit = (HyperLink)e.Row.Cells[this.Columns.Count - 1].FindControl("hyperLinkEdit");
if (btnEdit != null)
{
btnEdit.NavigateUrl = GetNavigationPageName() + "?action=modify&id=" + lblId.Text;
}
ImageButton btnDelete = (ImageButton)e.Row.Cells[this.Columns.Count - 1].FindControl("ImageButtonDelete");
if (btnDelete != null)
{
btnDelete.Attributes.Add("onclick", "javascript:return confirm('" + String.Format(WebControlLocalization.GetText("ManageGridView_DeleteConfirmation"), lblId.Text) + "');");
}
}
}
}
}
base.OnRowDataBound(e);
}
