C# asp.net动态按钮在第二次单击时激发
我有两个按钮，应该更新数据库，当它更新页面时，应该用更新的信息进行回发，但是…现在它在数据库中更新，好吧，但是页面直到第二次单击才更新，然后点击之后是好的，直到我点击了另一个选项卡…一切都再次发生…顺便说一句，按钮被上下调用，它们是在创建网格的模板中动态创建的 因此，上/下按钮是在页面加载之后构建的，页面加载函数调用loaddisplaygrid（或loaddynamicdisplaygrid），然后在loaddisplaygrid（或loaddynamicdisplaygrid）函数中构建构建按钮的模板C# asp.net动态按钮在第二次单击时激发,c#,asp.net,html,events,click,C#,Asp.net,Html,Events,Click,我有两个按钮，应该更新数据库，当它更新页面时，应该用更新的信息进行回发，但是…现在它在数据库中更新，好吧，但是页面直到第二次单击才更新，然后点击之后是好的，直到我点击了另一个选项卡…一切都再次发生…顺便说一句，按钮被上下调用，它们是在创建网格的模板中动态创建的 因此，上/下按钮是在页面加载之后构建的，页面加载函数调用loaddisplaygrid（或loaddynamicdisplaygrid），然后在loaddisplaygrid（或loaddynamicdisplaygrid）函数中构建构建
//page load
protected void Page_Load(object sender, EventArgs e)
{
RadToolBarItem textbxItem = MainRadToolBar.Items.FindItemByText("textbox");
RadTextBox displayName = (RadTextBox)textbxItem.FindControl("displayName");
Session["UserID"] = getUserID();
if (!Page.IsPostBack)
{
if (Profile.ShowFilter)
{
displayMenuBar.Style["display"] = "block";
displayLineBreak.Style["display"] = "block";
}
else
{
displayMenuBar.Style["display"] = "none";
displayLineBreak.Style["display"] = "none";
}
loadDisplay();
loadTemplate();
loadTabs();
saveDefaultOneOffFilter();
checkIfEmpty();
RadTab tab = displayTabs.SelectedTab;
Profile.CurrTemplate = Profile.DefaultTemplate;
if (Profile.DefaultTemplate == dfltTempID) //new user
{
displayName.Text = User.Identity.Name + "_default";
si_display_save_button_Click();
setDefault();
Profile.CurrTemplate = Profile.DefaultTemplate;
updateStatsformat();
Response.Redirect("Display.aspx");
}
if (tab != null)
{
loadDisplayGrid(Profile.CurrTemplate);
Session["SelectedTabID"] = tab.Text;
}
}
else
{
RadTab tab = displayTabs.SelectedTab;
if (tab != null)
{
if (tab.Text == Session["SelectedTabID"].ToString())
{
//ScriptManager.RegisterStartupScript(this, typeof(Page), "Alert", "<script>alert('" + "a" + "');</script>", false);
loadDynamicDisplayGrid(Profile.CurrTemplate);//needs to be different, special just for postback
}
else
{
loadDisplayGrid(Profile.CurrTemplate);
Session["SelectedTabID"] = displayTabs.SelectedTab.Text;
}
//automatically saves when toolbar is not visible....
if (!Profile.ShowFilter) { si_display_save_button_Click(); }
}
}
}
/// <summary>
/// updates and loads the RadGrid for the Display page, depending on which Tab is selected
/// </summary>
private void loadDisplayGrid(int tmpid)
{
short DType = Convert.ToInt16(displayTabs.SelectedTab.Value);
GridBoundColumn column;
GridColumn columnchkbx;
GridButtonColumn columnUp;
GridButtonColumn columnDown;
GridTemplateColumn columntxtbx;
DisplayGrid.DisplayGridDataTable DisplayGridDT = new DisplayGrid.DisplayGridDataTable();
DisplayGridTableAdapters.DisplayGridTableAdapter DisplayGridTA = new DisplayGridTableAdapters.DisplayGridTableAdapter();
//update statsformat for the user if necessary
if (Profile.CurrTemplate != 0)
{
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["testDB_ConnectionString"].ConnectionString);
SqlCommand command = new SqlCommand("UpdateNewStat", conn);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add("@userid", SqlDbType.UniqueIdentifier).Value = getUserID();
command.Parameters.Add("@tempid", SqlDbType.SmallInt).Value = Profile.CurrTemplate;
conn.Open();
command.ExecuteNonQuery();
conn.Close();
}
//ScriptManager.RegisterStartupScript(this, typeof(Page), "Alert", "<script>alert('" + Profile.CurrTemplate + "');</script>", false);
if (Profile.DefaultTemplate != 0)
{
DisplayGridTA.FillBy(DisplayGridDT, DType, (short)tmpid);
}
if (DisplayGridDT.Rows.Count == 0)
{
DisplayGridTA.Fill(DisplayGridDT, getUserID(), DType);
}
StatsFormatGrid.Columns.Clear();
//Stat IsDisplayed
columnchkbx = new GridCheckBoxColumn();
columnchkbx.HeaderText = "Displayed";
columnchkbx.UniqueName = DisplayGridDT.Columns[2].ColumnName;
StatsFormatGrid.Columns.Add(columnchkbx);
//Stats Name
column = new GridBoundColumn();
column.HeaderText = "Stats Name";
column.DataField = DisplayGridDT.Columns[0].ColumnName;
column.UniqueName = DisplayGridDT.Columns[0].ColumnName;
StatsFormatGrid.Columns.Add(column);
//Invisible columns
for (int i = 3; i <= 6; i++)
{
column = new GridBoundColumn();
column.HeaderText = (i == 3) ? "StatsTable.Stats_id" : (i == 4) ? "StatsTable.StatsValue_Type" : (i == 5) ? "StatsTable.Stats_CHeader" : "StatsTable.Stats_Desc";
column.DataField = DisplayGridDT.Columns[i].ColumnName;
column.UniqueName = DisplayGridDT.Columns[i].ColumnName;
column.Visible = false;
StatsFormatGrid.Columns.Add(column);
}
//Dynamically created column - Stats Display Format
columntxtbx = new GridTemplateColumn();
columntxtbx.HeaderText = "Stats Display Format";
columntxtbx.ItemTemplate = new MyTemplate(DisplayGridDT, getUserID(),Profile.CurrTemplate);
StatsFormatGrid.Columns.Add(columntxtbx);
/*
columnArrow = new GridTemplateColumn();
columnArrow.ItemTemplate = new ArrowTemplate(DisplayGridDT, getUserID(), Profile.CurrTemplate);
StatsFormatGrid.Columns.Add(columnArrow);*/
columnUp = new GridButtonColumn();
columnUp.Text = "↑";
columnUp.UniqueName = DisplayGridDT.Columns[2].ColumnName;
StatsFormatGrid.Columns.Add(columnUp);
columnDown = new GridButtonColumn();
columnDown.Text = "↓";
columnDown.UniqueName = DisplayGridDT.Columns[2].ColumnName;
StatsFormatGrid.Columns.Add(columnDown);
StatsFormatGrid.DataSource = DisplayGridDT;
StatsFormatGrid.DataBind();
foreach (GridDataItem item in StatsFormatGrid.Items) //sets the properties of IsDisplayed
{
DataRowView row = (DataRowView)item.DataItem;
CheckBox chkbx = (CheckBox)item["IsDisplayed"].Controls[0];
chkbx.Enabled = true;
chkbx.AutoPostBack = true;
String value = row["IsDisplayed"].ToString();
chkbx.Checked = (value == "True");
}
}
/// <summary>
/// This is the template for GridTemplateColumn in the display page's grid
/// This represent the column DisplayString
/// Three different kinds of contents are used in each cell of the column depending on StatsValue_Type
/// </summary>
private class MyTemplate : ITemplate
{
//protected RequiredFieldValidator validator1;
//protected RangeValidator validator2;
protected TextBox textBox;
protected DropDownList ddList;
protected Label txtlb;
protected Button up;
protected Button down;
private DisplayGrid.DisplayGridDataTable MyDT = new DisplayGrid.DisplayGridDataTable();
private DisplayGridTableAdapters.DisplayGridTableAdapter MyTA = new DisplayGridTableAdapters.DisplayGridTableAdapter();
private Guid myUserID = new Guid();
private int template;
public MyTemplate(DisplayGrid.DisplayGridDataTable DGDT, Guid UserID,int tempid)
{
MyDT = DGDT;
myUserID = UserID;
template = tempid;
}
public void InstantiateIn(System.Web.UI.Control container)
{
//textBox = new TextBox();
ddList = new DropDownList();
txtlb = new Label();
up = new Button();
up.Text = "↑";
down = new Button();
down.Text = "↓";
//textBox.ID = "templateColumnTextBox";
ddList.ID = "templateColumnDDList";
txtlb.ID = "txtLabel";
up.ID = "up";
down.ID = "down";
//textBox.DataBinding += new EventHandler(textBox_DataBinding);
ddList.DataBinding += new EventHandler(ddList_DataBinding);
txtlb.DataBinding += new EventHandler(label_DataBinding);
up.Click += new EventHandler(up_Click);
down.Click += new EventHandler(down_Click);
/*validator1 = new RequiredFieldValidator();
validator1.ControlToValidate = "templateColumnTextBox";
validator1.ErrorMessage = "*";
validator1.Display = ValidatorDisplay.Dynamic;
validator2 = new RangeValidator();
validator2.ControlToValidate = "templateColumnTextBox";
validator2.Type = ValidationDataType.Integer;
validator2.MinimumValue = "0";
validator2.MaximumValue = "12";
validator2.ErrorMessage = "*0-12";
validator2.Display = ValidatorDisplay.Dynamic;*/
//container.Controls.Add(textBox);
container.Controls.Add(ddList);
container.Controls.Add(txtlb);
container.Controls.Add(up);
container.Controls.Add(down);
//container.Controls.Add(validator1);
//container.Controls.Add(validator2);
}
/// <summary>
/// Generates the text boxes when StatsValue_Type is double or percentage
/// Assigns the text and the style
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/*protected void textBox_DataBinding(object sender, EventArgs e)
{
TextBox tBox = (TextBox)sender;
GridDataItem container = (GridDataItem)tBox.NamingContainer;
string displayStr = ((DataRowView)container.DataItem)[MyDT.Columns[1].ColumnName].ToString();
string valType = ((DataRowView)container.DataItem)[MyDT.Columns[4].ColumnName].ToString();
string rdm = ((DataRowView)container.DataItem)[MyDT.Columns[3].ColumnName].ToString();
if (valType == "double" || valType == "percentage")
{
tBox.Text = displayStr.Remove(displayStr.IndexOf(" "));
tBox.Font.Bold = true;
tBox.Style["text-align"] = "center";
tBox.Width = 70;
tBox.AutoPostBack = true;
//tBox.TextChanged += new EventHandler(DisplayTextBox_TextChanged);
}
else
{
tBox.Enabled = false;
tBox.Visible = false;
}
}*/
protected void up_Click(object sender, EventArgs e)
{
Button bt = (Button)sender;
GridDataItem container = (GridDataItem)bt.NamingContainer;
string displayStr = ((DataRowView)container.DataItem)[MyDT.Columns[1].ColumnName].ToString();
string valType = ((DataRowView)container.DataItem)[MyDT.Columns[4].ColumnName].ToString();
string rdm = ((DataRowView)container.DataItem)[MyDT.Columns[3].ColumnName].ToString();
int num = Convert.ToInt32(displayStr.Substring(0, displayStr.IndexOf(' ')))+1;
string updateDisplay = num.ToString() + " decimals";
string updateVal = "{0:f" + num.ToString() + "}";
short stats_id = Convert.ToInt16(rdm);
if (num < 13 && num > -1)
{
MyTA.UpdateQuery(updateVal, updateDisplay, stats_id, (short)template);
}
}
protected void down_Click(object sender, EventArgs e)
{
Button bt = (Button)sender;
GridDataItem container = (GridDataItem)bt.NamingContainer;
//ScriptManager.RegisterStartupScript(bt, typeof(Page), "Alert", "<script>alert('" + "a" + "');</script>", false);
string displayStr = ((DataRowView)container.DataItem)[MyDT.Columns[1].ColumnName].ToString();
string valType = ((DataRowView)container.DataItem)[MyDT.Columns[4].ColumnName].ToString();
string rdm = ((DataRowView)container.DataItem)[MyDT.Columns[3].ColumnName].ToString();
int num = Convert.ToInt32(displayStr.Substring(0, displayStr.IndexOf(' '))) -1;
string updateDisplay = num.ToString() + " decimals";
string updateVal = "{0:f" + num.ToString() + "}";
short stats_id = Convert.ToInt16(rdm);
if (num < 13 && num > -1)
{
MyTA.UpdateQuery(updateVal, updateDisplay, stats_id, (short)template);
}
}
/// <summary>
/// Generates the drop down lists when StatsValue_Type is Date
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void ddList_DataBinding(object sender, EventArgs e)
{
DropDownList dl = (DropDownList)sender;
GridDataItem container = (GridDataItem)dl.NamingContainer;
string displayStr = ((DataRowView)container.DataItem)[MyDT.Columns[1].ColumnName].ToString();
string valType = ((DataRowView)container.DataItem)[MyDT.Columns[4].ColumnName].ToString();
string rdm = ((DataRowView)container.DataItem)[MyDT.Columns[3].ColumnName].ToString();
if (valType == "Date")
{
dl.Items.Add(new ListItem("MM-DD-YY", "{0:MM-dd-yy}"));
dl.Items.Add(new ListItem("DD-MM-YY", "{0:dd-MM-yy}"));
dl.Items.Add(new ListItem("DD-MMM-YYYY", "{0:dd-MMM-yyyy}"));
dl.SelectedIndex = (displayStr == "MM-DD-YY") ? 0 : (displayStr == "DD-MM-YY") ? 1 : 2;
dl.AutoPostBack = true;
dl.SelectedIndexChanged += new EventHandler(DisplayDDList_IndexChanged);
up.Visible = false;
down.Visible=false;
}
/*else if (valType == "double" || valType == "percentage")
{
dl.Items.Add(new ListItem("1 decimals", "{0:f1}"));
dl.Items.Add(new ListItem("2 decimals", "{0:f2}"));
dl.Items.Add(new ListItem("3 decimals", "{0:f3}"));
dl.Items.Add(new ListItem("4 decimals", "{0:f4}"));
dl.Items.Add(new ListItem("5 decimals", "{0:f5}"));
dl.Items.Add(new ListItem("6 decimals", "{0:f6}"));
dl.Items.Add(new ListItem("7 decimals", "{0:f7}"));
dl.Items.Add(new ListItem("8 decimals", "{0:f8}"));
dl.Items.Add(new ListItem("9 decimals", "{0:f9}"));
dl.Items.Add(new ListItem("10 decimals", "{0:f10}"));
dl.Items.Add(new ListItem("11 decimals", "{0:f11}"));
dl.Items.Add(new ListItem("12 decimals", "{0:f12}"));
dl.SelectedIndex =Convert.ToInt32(displayStr.Substring(0, displayStr.IndexOf(' ')));
dl.AutoPostBack = true;
dl.SelectedIndexChanged += new EventHandler(DisplayDDList_IndexChanged);
}*/
else
{
dl.Enabled = false;
dl.Visible = false;
}
}
/// <summary>
/// Generates the words " digits" after the textboxes when StatsValue_Type is double or percentage
/// Generates the label with text of DisplayString when StatsValue_Type is bit
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void label_DataBinding(object sender, EventArgs e)
{
Label lbl = (Label)sender;
GridDataItem container = (GridDataItem)lbl.NamingContainer;
string displayStr = ((DataRowView)container.DataItem)[MyDT.Columns[1].ColumnName].ToString();
string valType = ((DataRowView)container.DataItem)[MyDT.Columns[4].ColumnName].ToString();
string rdm = ((DataRowView)container.DataItem)[MyDT.Columns[3].ColumnName].ToString();
if (valType == "bit")
{
lbl.Text = displayStr;
lbl.Font.Bold = true;
up.Visible = false;
down.Visible = false;
}
else if (valType == "double" || valType == "percentage") {
lbl.Text = displayStr;
lbl.Font.Bold = true;
}
else { lbl.Text = ""; }
}
/// <summary>
/// Handles the event when textbox is sumbitted
/// inefficient at the moment because it is fired for every textbox every tab change
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/*protected void DisplayTextBox_TextChanged(object sender, EventArgs e)
{
TextBox tb = (TextBox)sender;
GridDataItem container = (GridDataItem)tb.NamingContainer;
string textCur = ((TextBox)sender).Text + " decimals";
string textOld = ((DataRowView)container.DataItem)[MyDT.Columns[1].ColumnName].ToString();
string testing = ((DataRowView)container.DataItem)[MyDT.Columns[0].ColumnName].ToString();
if (textCur != textOld)
{
int value = Convert.ToInt16(((TextBox)sender).Text);
short stats_id = Convert.ToInt16(((DataRowView)container.DataItem)[MyDT.Columns[3].ColumnName].ToString());
string format = "{0:f" + value.ToString() + "}";
string text = value.ToString() + " decimals";
ScriptManager.RegisterStartupScript(tb, typeof(Page), "Alert", "<script>alert('" + "a" + "');</script>", false);
//MyTA.UpdateDisplayGrid(format, text, myUserID, stats_id);
MyTA.UpdateQuery(format, text, stats_id, (short)template);
}
}*/
/// <summary>
/// Handles the event when dropdownlist selection changes
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void DisplayDDList_IndexChanged(object sender, EventArgs e)
{
string date = ((DropDownList)sender).SelectedItem.Text;
string format = ((DropDownList)sender).SelectedItem.Value;
DropDownList ddl = (DropDownList)sender;
GridDataItem container = (GridDataItem)ddl.NamingContainer;
short stats_id = Convert.ToInt16(((DataRowView)container.DataItem)[MyDT.Columns[3].ColumnName].ToString());
//MyTA.UpdateDisplayGrid(format, date, myUserID, stats_id);
MyTA.UpdateQuery(format, date, stats_id, (short)template);
}
}
//this is called on postback
protected void loadDynamicDisplayGrid(int tmpid)
{
ArrayList oldchkbxList = new ArrayList();
short DType = Convert.ToInt16(displayTabs.SelectedTab.Value);
GridBoundColumn column;
GridColumn columnchkbx;
GridTemplateColumn columntxtbx;
GridButtonColumn columnUp;
GridButtonColumn columnDown;
//GridTemplateColumn columnArrow;
DisplayGrid.DisplayGridDataTable DisplayGridDT = new DisplayGrid.DisplayGridDataTable();
DisplayGridTableAdapters.DisplayGridTableAdapter DisplayGridTA = new DisplayGridTableAdapters.DisplayGridTableAdapter();
//update statsformat for the user if necessary
if (Profile.CurrTemplate != 0)
{
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["testDB_ConnectionString"].ConnectionString);
SqlCommand command = new SqlCommand("UpdateNewStat", conn);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add("@userid", SqlDbType.UniqueIdentifier).Value = getUserID();
command.Parameters.Add("@tempid", SqlDbType.SmallInt).Value = Profile.CurrTemplate;
conn.Open();
command.ExecuteNonQuery();
conn.Close();
}
if (Profile.DefaultTemplate != 0)
{
DisplayGridTA.FillBy(DisplayGridDT, DType, (short)tmpid);
}
if (DisplayGridDT.Rows.Count == 0)
{
DisplayGridTA.Fill(DisplayGridDT, getUserID(), DType);
}
//save the old values of the IsDisplayed checkboxes before refresh
foreach (GridDataItem item in StatsFormatGrid.Items)
{
CheckBox chkbx = (CheckBox)item["IsDisplayed"].Controls[0];
oldchkbxList.Add(chkbx.Checked);
}
StatsFormatGrid.Columns.Clear();
//Stat IsDisplayed
columnchkbx = new GridCheckBoxColumn();
columnchkbx.HeaderText = "Displayed";
columnchkbx.UniqueName = DisplayGridDT.Columns[2].ColumnName;
StatsFormatGrid.Columns.Add(columnchkbx);
//Stats Name
column = new GridBoundColumn();
column.HeaderText = "Stats Name";
column.DataField = DisplayGridDT.Columns[0].ColumnName;
column.UniqueName = DisplayGridDT.Columns[0].ColumnName;
StatsFormatGrid.Columns.Add(column);
//Invisible columns
for (int i = 3; i <= 6; i++)
{
column = new GridBoundColumn();
column.HeaderText = (i == 3) ? "StatsTable.Stats_id" : (i == 4) ? "StatsTable.StatsValue_Type" : (i == 5) ? "StatsTable.Stats_CHeader" : "StatsTable.Stats_Desc";
column.DataField = DisplayGridDT.Columns[i].ColumnName;
column.UniqueName = DisplayGridDT.Columns[i].ColumnName;
column.Visible = false;
StatsFormatGrid.Columns.Add(column);
}
//Dynamically created column - Stats Display Format
columntxtbx = new GridTemplateColumn();
columntxtbx.HeaderText = "Stats Display Format";
columntxtbx.ItemTemplate = new MyTemplate(DisplayGridDT, getUserID(),Profile.CurrTemplate);
StatsFormatGrid.Columns.Add(columntxtbx);
/*
columnArrow = new GridTemplateColumn();
columnArrow.ItemTemplate = new ArrowTemplate(DisplayGridDT, getUserID(), Profile.CurrTemplate);
StatsFormatGrid.Columns.Add(columnArrow);*/
columnUp = new GridButtonColumn();
columnUp.Text = "↑";
columnUp.UniqueName = DisplayGridDT.Columns[2].ColumnName;
StatsFormatGrid.Columns.Add(columnUp);
columnDown = new GridButtonColumn();
columnDown.Text = "↓";
columnDown.UniqueName = DisplayGridDT.Columns[2].ColumnName;
StatsFormatGrid.Columns.Add(columnDown);
StatsFormatGrid.DataSource = DisplayGridDT;
StatsFormatGrid.DataBind();
int itr = 0;
foreach (GridDataItem item in StatsFormatGrid.Items) //sets the properties of IsDisplayed
{
CheckBox chkbx = (CheckBox)item["IsDisplayed"].Controls[0];
chkbx.Enabled = true;
chkbx.AutoPostBack = true;
chkbx.Checked = (Boolean)oldchkbxList[itr];
DataRowView row = (DataRowView)item.DataItem;
String value = row["IsDisplayed"].ToString();
if (value == "True" && !(Boolean)oldchkbxList[itr])
{
DisplayedCheckbox_CheckedChanged(chkbx, DisplayGridDT);
}
else if (value != "True" && (Boolean)oldchkbxList[itr])
{
DisplayedCheckbox_CheckedChanged(chkbx, DisplayGridDT);
}
itr++;
}
}
//this is html
<telerik:RadGrid ID="StatsFormatGrid" runat="server" AutoGenerateColumns="False" GridLines="None"
OnDataBound="grid_data_bound" EnableAJAX="true">
<%--ClientSettings>
<Selecting AllowRowSelect="True"></Selecting>
</ClientSettings--%>
</telerik:RadGrid>
//页面加载
受保护的无效页面加载（对象发送方、事件参数e）
{
RadToolBarItem textbxItem=MainRadToolBar.Items.FindItemByText（“文本框”）；
RadTextBox displayName=（RadTextBox）textbxItem.FindControl（“displayName”）；
会话[“UserID”]=getUserID（）；
如果（！Page.IsPostBack）
{
if（Profile.ShowFilter）
{
displayMenuBar.Style[“display”]=“block”；
displayLineBreak.Style[“display”]=“block”；
}
其他的
{
displayMenuBar.Style[“display”]=“none”；
displayLineBreak.Style[“display”]=“none”；
}
loadDisplay（）；
loadTemplate（）；
loadTabs（）；
saveDefaultOneOffFilter（）；
checkIfEmpty（）；
RadTab tab=显示选项卡。SelectedTab；
Profile.CurrTemplate=Profile.DefaultTemplate；
if（Profile.DefaultTemplate==dfltTempID）//新用户
{
displayName.Text=User.Identity.Name+“\u默认值”；
显示保存按钮点击（）；
setDefault（）；
Profile.CurrTemplate=Profile.DefaultTemplate；
updateStatsformat（）；
重定向（“Display.aspx”）；
}
如果（制表符！=null）
{
loadDisplayGrid（Profile.CurrTemplate）；
会话[“SelectedTabd”]=制表符文本；
}
}
其他的
{
RadTab tab=显示选项卡。SelectedTab；
如果（制表符！=null）
{
if（tab.Text==Session[“SelectedTabID”].ToString（））
{
//RegisterStartupScript（this，typeof（Page），“Alert”，“Alert”（“+”a“+”）；”，false）；
loadDynamicDisplayGrid（Profile.currtemplay）；//需要不同，仅用于回发
}
其他的
{
loadDisplayGrid（Profile.CurrTemplate）；
Session[“SelectedTabID”]=displaytables.SelectedTab.Text；
}
//当工具栏不可见时自动保存。。。。
如果（！Profile.ShowFilter）{si_display_save_button_Click（）}
}
}
}
///
///根据选择的选项卡，更新并加载显示页面的RadGrid
///
私有void loadDisplayGrid（int-tmpid）
{
short DType=Convert.ToInt16（displaytables.SelectedTab.Value）；
网格边界列；
GridColumnChkbx；
GridButtonColumnUp；
GridButton列向下；
GridTemplateColumnTXTBX；
DisplayGrid.DisplayGridDataTable DisplayGridDT=新的DisplayGrid.DisplayGridDataTable（）；
DisplayGridTableAdapters.DisplayGridTableAdapter DisplayGridTA=新的DisplayGridTableAdapters.DisplayGridTableAdapter（）；
//如有必要，为用户更新statsformat
如果（Profile.CurrTemplate！=0）
{
SqlConnection conn=新的SqlConnection（ConfigurationManager.ConnectionString[“testDB_ConnectionString”].ConnectionString）；
SqlCommand=newsqlcommand（“UpdateNewStat”，康涅狄格州）；
command.CommandType=CommandType.storedProcess；
command.Parameters.Add（“@userid”，SqlDbType.UniqueIdentifier）.Value=getUserID（）；
command.Parameters.Add（“@tempid”，SqlDbType.SmallInt）.Value=Profile.CurrTemplate；
conn.Open（）；
command.ExecuteNonQuery（）；
康涅狄格州关闭（）；
}
//ScriptManager.RegisterStartupScript（此，typeof（页），“警报”，“警报（“+Profile.CurrTemplate+”）；”，false）；
如果（Profile.DefaultTemplate！=0）
{
FillBy（DisplayGridDT，DType，（短）tmpid）；
}
if（DisplayGridDT.Rows.Count==0）
{
Fill（DisplayGridDT，getUserID（），DType）；
}
StatsFormatGrid.Columns.Clear（）；
//统计显示
columnchkbx=新的GridCheckBoxColumn（）；
columnchkbx.HeaderText=“已显示”；
columnchkbx.UniqueName=DisplayGridDT.Columns[2]。ColumnName；
StatsFormatGrid.Columns.Add（columnchkbx）；
//统计名称
column=新的GridBoundColumn（）；
column.HeaderText=“统计名称”；
column.DataField=DisplayGridDT.Columns[0].ColumnName；
column.UniqueName=DisplayGridDT.Columns[0]。ColumnName；
StatsFormatGrid.Columns.Add（column）；
//不可见列
对于（inti=3；i可以添加
Response.Redirect(Request.RawUrl);
在按钮单击事件中完成数据库更新后
或者调用在页面中初始化数据的函数
private void Page_Load(...)
{
if(!Page.IsPostBack)
{
InitData();
}
}
private void InitData()
{
//Do init data control in your page
// For exp: binding the grid, combo box....
}
protected void btn_Update_Clicked(...)
{
//1. Update database
//2. Call InitData() function to reload data from database
}
我相信您在数据绑定和中遇到了一个常见问题。简单地说：您首先对数据进行数据绑定，然后对其进行更改。Page\u Load
事件处理程序将绑定您的数据，然后按下按钮，它将更改数据库。但是，控件已绑定到数据的早期版本并显示保存旧信息
在按下按钮并处理数据库中的更改后，您应该对控件进行数据绑定。请尝试将数据绑定代码放入页面预渲染
事件处理程序。如果设置断点，是否能够在页面加载和上下单击方法中命中所有断点可能由于焦点问题，我的一些组合框也有同样的问题。在加载事件中放置一个断点。如果第一次单击该按钮，则称为b