//设置构造函数的参数
private void SetMasterControl(DataSet cDataset, controlType eControlType)
{
//1.控件初始化赋值
this.Controls.Add(childView);
InitializeComponent();
_cDataset = cDataset;
childView._cDataset = cDataset;
CellStyle.applyGridTheme(this);
Dock = DockStyle.Fill;
EControlType = eControlType;
this.AllowUserToAddRows = false;
//2.通过读取DataSet里面的Relations得到表的关联关系
if (cDataset.Relations.Count <= 0)
{
return;
}
DataRelation oRelates;
if (eControlType == controlType.outside)
{
oRelates = cDataset.Relations[1];
childView.Add(oRelates.ParentTable.TableName, oRelates.ParentColumns[0].ColumnName, oRelates.ChildColumns[0].ColumnName);
}
else if (eControlType == controlType.middle)
{
oRelates = cDataset.Relations[cDataset.Relations.Count - 1];
childView.Add2(oRelates.ChildTable.TableName);
}
//3.设置主外键对应关系
oRelates = cDataset.Relations[0];
//主表里面的值，副表里面的过滤字段
setParentSource(oRelates.ParentTable.TableName, oRelates.ParentColumns[0].ColumnName, oRelates.ChildColumns[0].ColumnName);
}
public void Add2(string tableName)
{
//TabPage tPage = new TabPage() { Text = pageCaption };
//this.Controls.Add(tPage);
DataGridView newGrid = new DataGridView()
{
Dock = DockStyle.Fill, DataSource = new DataView(_cDataset.Tables[tableName])
};
newGrid.AllowUserToAddRows = false;
//tPage.Controls.Add(newGrid);
this.Controls.Add(newGrid);
CellStyle.applyGridTheme(newGrid);
CellStyle.setGridRowHeader(newGrid);
newGrid.RowPostPaint += CellStyle.rowPostPaint_HeaderCount;
childGrid.Add(newGrid);
}
public void Add(string tableName, string strPrimaryKey, string strForeignKey)
{
//TabPage tPage = new TabPage() { Text = pageCaption };
//this.Controls.Add(tPage);
var newGrid = new MasterControl(_cDataset, controlType.middle)
{
Dock = DockStyle.Fill, DataSource = new DataView(_cDataset.Tables[tableName])
};
newGrid.setParentSource(tableName, strPrimaryKey, strForeignKey);//设置主外键
//newGrid.Name = "ChildrenMaster";
//tPage.Controls.Add(newGrid);
this.Controls.Add(newGrid);
//this.BorderStyle = BorderStyle.FixedSingle;
CellStyle.applyGridTheme(newGrid);
CellStyle.setGridRowHeader(newGrid);
newGrid.RowPostPaint += CellStyle.rowPostPaint_HeaderCount;
childGrid.Add(newGrid);
}