/// <summary>
/// 模拟数据库分页（实际项目中请直接使用SQL语句返回分页数据！）
/// </summary>
/// <returns></returns>
private DataTable GetPagedDataTable(int pageIndex, int pageSize, bool?data2)
{
DataTable source = null;
if (data2.HasValue && data2.Value)
{
source = DataSourceUtil.GetDataTable2();
}
else
{
source = DataSourceUtil.GetDataTable();
}
DataTable paged = source.Clone();
int rowbegin = pageIndex * pageSize;
int rowend = (pageIndex + 1) * pageSize;
if (rowend > source.Rows.Count)
{
rowend = source.Rows.Count;
}
for (int i = rowbegin; i < rowend; i++)
{
paged.ImportRow(source.Rows[i]);
}
return(paged);
}
/// <summary>
/// 模拟数据库分页（实际项目中请直接使用SQL语句返回分页数据！）
/// </summary>
/// <returns></returns>
private DataTable GetSortedPagedDataTable(string sortField, string sortDirection, int pageIndex, int pageSize)
{
DataTable source = DataSourceUtil.GetDataTable2();
// 先排序
DataView view1 = source.DefaultView;
view1.Sort = String.Format("{0} {1}", sortField, sortDirection);
DataTable sortedTable = view1.ToTable();
// 再分页
DataTable paged = sortedTable.Clone();
int rowbegin = pageIndex * pageSize;
int rowend = (pageIndex + 1) * pageSize;
if (rowend > sortedTable.Rows.Count)
{
rowend = sortedTable.Rows.Count;
}
for (int i = rowbegin; i < rowend; i++)
{
paged.ImportRow(sortedTable.Rows[i]);
}
return(paged);
}
private void BindGrid1()
{
if (Grid2.SelectedRowIndex < 0)
{
return;
}
int classId = Convert.ToInt32(Grid2.DataKeys[Grid2.SelectedRowIndex][0]);
DataTable table = null;
if (classId == 101)
{
table = DataSourceUtil.GetDataTable();
}
else
{
table = DataSourceUtil.GetDataTable2();
}
Grid1.DataSource = table;
Grid1.DataBind();
UpdateClassDesc(classId);
}
private void BindGrid()
{
DataTable table = DataSourceUtil.GetDataTable2();
Grid1.DataSource = table;
Grid1.DataBind();
}
// GET: GridDataUrl/GridDataUrlData
public ActionResult Index(bool?data2)
{
JArray ja = new JArray();
DataTable source = null;
if (data2.HasValue && data2.Value)
{
source = DataSourceUtil.GetDataTable2();
}
else
{
source = DataSourceUtil.GetDataTable();
}
foreach (DataRow row in source.Rows)
{
JObject jo = new JObject();
jo.Add("Id", (int)row["Id"]);
jo.Add("Name", row["Name"].ToString());
jo.Add("Gender", (int)row["Gender"]);
jo.Add("EntranceYear", (int)row["EntranceYear"]);
jo.Add("AtSchool", (bool)row["AtSchool"]);
jo.Add("Major", row["Major"].ToString());
jo.Add("Group", (int)row["Group"]);
ja.Add(jo);
}
return(Content(ja.ToString(Newtonsoft.Json.Formatting.None)));
}
/// <summary>
/// 模拟数据库分页
/// </summary>
/// <returns></returns>
private DataTable GetPagedDataTable()
{
int pageIndex = Grid1.PageIndex;
int pageSize = Grid1.PageSize;
string sortField = Grid1.SortField;
string sortDirection = Grid1.SortDirection;
DataTable table2 = DataSourceUtil.GetDataTable2();
DataView view2 = table2.DefaultView;
view2.Sort = String.Format("{0} {1}", sortField, sortDirection);
DataTable table = view2.ToTable();
DataTable paged = table.Clone();
int rowbegin = pageIndex * pageSize;
int rowend = (pageIndex + 1) * pageSize;
if (rowend > table.Rows.Count)
{
rowend = table.Rows.Count;
}
for (int i = rowbegin; i < rowend; i++)
{
paged.ImportRow(table.Rows[i]);
}
return(paged);
}
private DataTable GetSource(string ddlAtSchool, JArray filteredData)
{
DataTable table2 = DataSourceUtil.GetDataTable2();
DataView view2 = table2.DefaultView;
List <string> filters = new List <string>();
// 表格工具栏中的下拉列表过滤项
if (ddlAtSchool != "-1")
{
filters.Add(String.Format("AtSchool = {0}", ddlAtSchool));
}
// 表头菜单的过滤项
if (filteredData != null && filteredData.Count > 0)
{
foreach (JObject filteredObj in filteredData)
{
// 本过滤项是[所学专业]列的过滤项
string columnID = filteredObj.Value <string>("column");
if (columnID == "Major")
{
JObject item = filteredObj.Value <JObject>("item");
string itemOperator = item.Value <string>("operator");
string itemValue = item.Value <string>("value");
if (!String.IsNullOrEmpty(itemValue))
{
string escapedValue = DataSourceUtil.EscapeLikeValue(itemValue);
if (itemOperator == "equal")
{
filters.Add(String.Format("Major = '{0}'", escapedValue));
}
else if (itemOperator == "contain")
{
filters.Add(String.Format("Major LIKE '*{0}*'", escapedValue));
}
else if (itemOperator == "start")
{
filters.Add(String.Format("Major LIKE '{0}*'", escapedValue));
}
else if (itemOperator == "end")
{
filters.Add(String.Format("Major LIKE '*{0}'", escapedValue));
}
}
}
}
}
if (filters.Count > 0)
{
// RowFilter的用法：http://www.csharp-examples.net/dataview-rowfilter/
view2.RowFilter = String.Join(" AND ", filters.ToArray());
}
return(view2.ToTable());
}
private DataTable GetSource(string ttbSearch, string rblAtSchool)
{
DataTable table2 = DataSourceUtil.GetDataTable2();
DataView view2 = table2.DefaultView;
List <string> filters = new List <string>();
if (!String.IsNullOrEmpty(ttbSearch))
{
// RowFilter的用法：http://www.csharp-examples.net/dataview-rowfilter/
filters.Add(String.Format("Name LIKE '*{0}*'", DataSourceUtil.EscapeLikeValue(ttbSearch)));
}
if (rblAtSchool != "-1")
{
filters.Add(String.Format("AtSchool = {0}", rblAtSchool));
}
if (filters.Count > 0)
{
// RowFilter的用法：http://www.csharp-examples.net/dataview-rowfilter/
view2.RowFilter = String.Join(" AND ", filters.ToArray());
}
return(view2.ToTable());
}
// GET: GridDataUrl/PagingSummaryCurrentPageData
public ActionResult Index()
{
JArray ja = new JArray();
DataTable source = DataSourceUtil.GetDataTable2();
foreach (DataRow row in source.Rows)
{
int fee = (int)row["Fee"];
int donate = (int)row["Donate"];
JObject jo = new JObject();
jo.Add("Id", (int)row["Id"]);
jo.Add("Name", row["Name"].ToString());
jo.Add("Gender", (int)row["Gender"]);
jo.Add("EntranceYear", (int)row["EntranceYear"]);
jo.Add("AtSchool", (bool)row["AtSchool"]);
jo.Add("Major", row["Major"].ToString());
jo.Add("Fee", fee);
jo.Add("Donate", donate);
ja.Add(jo);
}
return(Content(ja.ToString(Newtonsoft.Json.Formatting.None)));
}
private DataTable GetSortedDataTable(string sortField, string sortDirection)
{
// 模拟数据排序
DataTable table = DataSourceUtil.GetDataTable2();
DataView view1 = table.DefaultView;
view1.Sort = String.Format("{0} {1}", sortField, sortDirection);
return(view1.ToTable());
}
/// <summary>
/// 模拟返回总项数
/// </summary>
/// <returns></returns>
private int GetTotalCount(bool?data2)
{
DataTable source = null;
if (data2.HasValue && data2.Value)
{
source = DataSourceUtil.GetDataTable2();
}
else
{
source = DataSourceUtil.GetDataTable();
}
return(source.Rows.Count);
}
private DataTable GetClassDetailTable(int classId)
{
DataTable table = null;
if (classId == 101)
{
table = DataSourceUtil.GetDataTable();
}
else
{
table = DataSourceUtil.GetDataTable2();
}
return(table);
}
public ActionResult Button1_Click(string[] fields, string source)
{
var grid1 = UIHelper.Grid("Grid1");
if (source == "source1")
{
grid1.DataSource(DataSourceUtil.GetDataTable2(), fields);
grid1.Attribute("data-source-key", "source2");
}
else
{
grid1.DataSource(DataSourceUtil.GetDataTable(), fields);
grid1.Attribute("data-source-key", "source1");
}
return(UIHelper.Result());
}
protected void Button2_Click(object sender, EventArgs e)
{
DataTable table;
if (Convert.ToBoolean(ViewState["UseDataSource1"]))
{
ViewState["UseDataSource1"] = false;
table = DataSourceUtil.GetDataTable2();
}
else
{
ViewState["UseDataSource1"] = true;
table = DataSourceUtil.GetDataTable();
}
Grid1.DataSource = table;
Grid1.DataBind();
}
private void AutoBindGrid(string gridSourceKey, JArray gridFields)
{
var grid1 = UIHelper.Grid("Grid1");
DataTable source = null;
if (gridSourceKey == "table1")
{
source = DataSourceUtil.GetDataTable2();
gridSourceKey = "table2";
}
else
{
source = DataSourceUtil.GetDataTable();
gridSourceKey = "table1";
}
grid1.DataSource(source, gridFields);
grid1.Attribute("data-source-key", gridSourceKey);
}
/// <summary>
/// 模拟数据库分页
/// </summary>
/// <returns></returns>
private DataTable GetPagedDataTable(int pageIndex, int pageSize)
{
DataTable source = DataSourceUtil.GetDataTable2();
DataTable paged = source.Clone();
int rowbegin = pageIndex * pageSize;
int rowend = (pageIndex + 1) * pageSize;
if (rowend > source.Rows.Count)
{
rowend = source.Rows.Count;
}
for (int i = rowbegin; i < rowend; i++)
{
paged.ImportRow(source.Rows[i]);
}
return(paged);
}
private JObject GetSummaryData()
{
DataTable source = DataSourceUtil.GetDataTable2();
int donateTotal = 0;
int feeTotal = 0;
foreach (DataRow row in source.Rows)
{
donateTotal += Convert.ToInt32(row["Donate"]);
feeTotal += Convert.ToInt32(row["Fee"]);
}
JObject summary = new JObject();
summary.Add("Fee", feeTotal);
summary.Add("Donate", donateTotal);
return(summary);
}
protected void Button1_Click(object sender, EventArgs e)
{
DataTable table;
if (Convert.ToBoolean(ViewState["UseDataSource1"]))
{
ViewState["UseDataSource1"] = false;
table = DataSourceUtil.GetDataTable2();
}
else
{
ViewState["UseDataSource1"] = true;
table = DataSourceUtil.GetDataTable();
}
// 重新绑定数据前，先清空高亮的行数据
highlightRows.Text = "";
Grid1.DataSource = table;
Grid1.DataBind();
}
// GET: GridDataUrl/PagingSummaryData
public ActionResult Index()
{
JObject result = new JObject();
int feeTotal = 0, donateTotal = 0;
JArray ja = new JArray();
DataTable source = DataSourceUtil.GetDataTable2();
foreach (DataRow row in source.Rows)
{
int fee = (int)row["Fee"];
int donate = (int)row["Donate"];
JObject jo = new JObject();
jo.Add("Id", (int)row["Id"]);
jo.Add("Name", row["Name"].ToString());
jo.Add("Gender", (int)row["Gender"]);
jo.Add("EntranceYear", (int)row["EntranceYear"]);
jo.Add("AtSchool", (bool)row["AtSchool"]);
jo.Add("Major", row["Major"].ToString());
jo.Add("Fee", fee);
jo.Add("Donate", donate);
ja.Add(jo);
feeTotal += fee;
donateTotal += donate;
}
JObject joSummary = new JObject();
joSummary.Add("Fee", feeTotal);
joSummary.Add("Donate", donateTotal);
result.Add("data", ja);
result.Add("summaryData", joSummary);
return(Content(result.ToString(Newtonsoft.Json.Formatting.None)));
}
private JObject GetSummaryData()
{
DataTable source = DataSourceUtil.GetDataTable2();
float donateTotal = 0.0f;
float feeTotal = 0.0f;
foreach (DataRow row in source.Rows)
{
donateTotal += Convert.ToInt32(row["Donate"]);
feeTotal += Convert.ToInt32(row["Fee"]);
}
JObject summary = new JObject();
//summary.Add("major", "全部合计");
summary.Add("Fee", feeTotal.ToString("F2"));
summary.Add("Donate", donateTotal.ToString("F2"));
return(summary);
}
public void ProcessRequest(HttpContext context)
{
//System.Threading.Thread.Sleep(2000);
String term = context.Request.QueryString["term"];
if (!String.IsNullOrEmpty(term))
{
term = term.ToLower();
JArray ja = new JArray();
DataTable source = DataSourceUtil.GetDataTable2();
DataTable result = source.Clone();
foreach (DataRow row in source.Rows)
{
string userName = row["Name"].ToString();
if (userName.Contains(term))
{
JObject jo = new JObject();
jo.Add("value", userName);
jo.Add("gender", Convert.ToInt32(row["Gender"]));
jo.Add("entranceYear", Convert.ToInt32(row["EntranceYear"]));
jo.Add("entranceDate", row["entranceDate"].ToString());
jo.Add("atSchool", Convert.ToBoolean(row["AtSchool"]));
jo.Add("major", row["Major"].ToString());
ja.Add(jo);
}
}
context.Response.ContentType = "text/plain";
context.Response.Write(ja.ToString());
}
}
// GET: GridDataUrl/SortingData
public ActionResult Index(string sortField, string sortDirection, bool?data2)
{
JArray ja = new JArray();
DataTable source = null;
if (data2.HasValue && data2.Value)
{
source = DataSourceUtil.GetDataTable2();
}
else
{
source = DataSourceUtil.GetDataTable();
}
DataView view1 = source.DefaultView;
view1.Sort = String.Format("{0} {1}", sortField, sortDirection);
DataTable sortedTable = view1.ToTable();
foreach (DataRow row in sortedTable.Rows)
{
JObject jo = new JObject();
jo.Add("Id", (int)row["Id"]);
jo.Add("Name", row["Name"].ToString());
jo.Add("Gender", (int)row["Gender"]);
jo.Add("EntranceYear", (int)row["EntranceYear"]);
jo.Add("AtSchool", (bool)row["AtSchool"]);
jo.Add("Major", row["Major"].ToString());
jo.Add("Group", (int)row["Group"]);
ja.Add(jo);
}
return(Content(ja.ToString(Newtonsoft.Json.Formatting.None)));
}
/// <summary>
/// 模拟返回总项数
/// </summary>
/// <returns></returns>
private int GetTotalCount()
{
return(DataSourceUtil.GetDataTable2().Rows.Count);
}
public ActionResult btnRebindData_Click(string[] fields)
{
UIHelper.Grid("Grid1").DataSource(DataSourceUtil.GetDataTable2(), fields);
return(UIHelper.Result());
}
