public static void InitDataGridViewColumns(DataGridView grid, DataTable table)
{
if (grid == null || table == null)
{
return;
}
//if (grid.Columns.Count > 0)
// grid.Columns.Clear();
if (grid.Columns.Count == 0)
{
grid.EditingControlShowing -= new DataGridViewEditingControlShowingEventHandler(DataGridViewEditingControlShowing);
grid.EditingControlShowing += new DataGridViewEditingControlShowingEventHandler(DataGridViewEditingControlShowing);
DataRule dr = TableUtil.GetDataRule(table);
if (dr != null)
{
DataColumnCollection columns = table.Columns;
if (columns.Count > 0)
{
DataGridViewColumn gcolumn;
RuleColumn rcolumn;
foreach (DataColumn column in columns)
{
rcolumn = TableUtil.GetRuleColumn(column);
if (rcolumn != null)
{
gcolumn = CreateDataGridViewColumn(rcolumn);
grid.Columns.Add(gcolumn);
}
else
{
InitDataGridViewColumns(grid, dr);
break;
}
}
}
else
{
InitDataGridViewColumns(grid, dr);
}
}
else if (table.Columns.Count > 0)
{
DataGridViewColumn gcolumn;
foreach (DataColumn column in table.Columns)
{
if (TableUtil.StrProperty(column, "Visible").Equals("0"))
{
continue;
}
gcolumn = null;
string datatype = column.DataType.ToString();
if (datatype.Equals("System.Boolean"))
{
gcolumn = new DataGridViewCheckBoxColumn();
gcolumn.Width = column.MaxLength > 50 ? column.MaxLength : 50;
gcolumn.AutoSizeMode = DataGridViewAutoSizeColumnMode.None;
}
else if (datatype.Equals("System.DateTime"))
{
gcolumn = new CalendarColumn("yyyy-MM-dd HH:mm:ss");
gcolumn.Width = 130;
gcolumn.AutoSizeMode = DataGridViewAutoSizeColumnMode.None;
}
else
{
string mapInfo = TableUtil.StrProperty(column, "MapInfo");
if (!mapInfo.Equals(""))
{
DataMap dm = SystemContext.MapManager.FromMapInfo(mapInfo);
if (dm != null)
{
DataTable mtable = dm.GetMapTable(null);
if (mtable != null && mtable.Rows.Count > 0)
{
gcolumn = new DataGridViewComboBoxColumn();
DataGridViewComboBoxCell combboxcell = gcolumn.CellTemplate as DataGridViewComboBoxCell;
if (combboxcell != null)
{
combboxcell.DataSource = mtable;
combboxcell.ValueMember = "Key";
combboxcell.DisplayMember = "Value";
}
}
}
}
if (gcolumn == null)
{
gcolumn = new DataGridViewTextBoxColumn();
gcolumn.Width = column.MaxLength > 100 ? column.MaxLength : 100;
gcolumn.AutoSizeMode = DataGridViewAutoSizeColumnMode.None;
}
}
gcolumn.Name = column.ColumnName;
gcolumn.HeaderText = column.Caption;
gcolumn.DataPropertyName = column.ColumnName;
//gcolumn.Width = column.MaxLength;
//gcolumn.Width = column.MaxLength > 100 ? column.MaxLength : 100;
//gcolumn.AutoSizeMode = DataGridViewAutoSizeColumnMode.ColumnHeader;
grid.Columns.Add(gcolumn);
}
}
grid.AutoGenerateColumns = false;
grid.DataSource = GetBindingSource(table);
}
else
{
DataColumn column;
string mapInfo;
foreach (DataGridViewColumn gcolumn in grid.Columns)
{
column = table.Columns[gcolumn.DataPropertyName];
if (column != null)
{
mapInfo = TableUtil.StrProperty(column, "MapInfo");
if (!mapInfo.Equals(""))
{
DataMap dm = SystemContext.MapManager.FromMapInfo(mapInfo);
if (dm != null)
{
DataTable mtable = dm.GetMapTable(null);
if (mtable != null && mtable.Rows.Count > 0)
{
DataGridViewComboBoxCell combboxcell = gcolumn.CellTemplate as DataGridViewComboBoxCell;
if (combboxcell != null)
{
combboxcell.DataSource = mtable;
combboxcell.ValueMember = "Key";
combboxcell.DisplayMember = "Value";
}
}
}
}
}
}
grid.AutoGenerateColumns = false;
grid.DataSource = GetBindingSource(table);
}
grid.CellLeave -= new DataGridViewCellEventHandler(DataGridView_CellLeave);
grid.CellLeave += new DataGridViewCellEventHandler(DataGridView_CellLeave);
}
public static bool InitTableSchemaFromDataRule(DataTable table, DataRule dr, string alias)
{
if (table == null || dr == null)
{
return(false);
}
try
{
DataTable ruletable = dr.GetFieldRule();
if (ruletable == null)
{
return(false);
}
DataRule olddr = TableUtil.GetDataRule(table);
if (olddr != null)
{
table.TableNewRow -= new DataTableNewRowEventHandler(olddr.OnTableNewRow);
table.ColumnChanged -= new DataColumnChangeEventHandler(olddr.OnColumnChanged);
}
table.TableNewRow += new DataTableNewRowEventHandler(dr.OnTableNewRow);
table.ColumnChanged += new DataColumnChangeEventHandler(dr.OnColumnChanged);
table.TableName = dr.RuleName;
TableUtil.SetProperty(table, SysConstant.scDataRule, dr);
TableUtil.SetProperty(table, SysConstant.scBindAlias, alias);
TableUtil.SetProperty(table, SysConstant.scPageManager, new PageManager(table));
DataColumnCollection columns = table.Columns;
DataColumn column;
RuleColumn rulecolumn;
DataRowCollection rows = ruletable.Rows;
if (columns.Count > 0)
{
if (table.Rows.Count > 0)
{
table.Rows.Clear();
}
columns.Clear();
}
for (int i = 0; i < rows.Count; i++)
{
rulecolumn = RuleColumn.FromDataRow(rows[i]);
column = new DataColumn(rulecolumn.ColumnName);
TableUtil.SetProperty(column, SysConstant.scRuleColumn, rulecolumn);
column.Caption = rulecolumn.Label;
column.DataType = DataTypes.ToType(rulecolumn.DataType);
if (rulecolumn.DataType == DataTypes.dtString)
{
column.MaxLength = rulecolumn.Size;
}
if (rulecolumn.HasDefValue)
{
column.AllowDBNull = rulecolumn.IsNullable;
}
columns.Add(column);
}
return(true);
}
catch (Exception e)
{
throw new Exception("SDP-ST02 填充元数据出错：" + e.Message);
}
}
