private bool IsDGNinDGNC(string dgn, DataGridNameCollection thispage_dgnc)
{
bool found = false;
foreach (DataGridControl dc in thispage_dgnc)
{
if (dc.GridName == dgn)
{
found = true;
break;
}
}
return(found);
}
/// <summary>
/// Adds a DBSNAPGridView to a DatGridNameCollection
/// </summary>
/// <param name="sdg">DBSNAPGridView</param>
/// <param name="thispage_dgnc">DataGridNameCollection of the Webpage</param>
public void AddGridToCollection(DBSNAPGridView sdg, DataGridNameCollection thispage_dgnc)
{
if (IsNotGridViewAlreadyInGridNameCollection(sdg.ID, thispage_dgnc))
{
DataGridControl dc = CreateNewDataGridControl(sdg);
thispage_dgnc.Add(dc);
if (dc.HasParentControl)
{
AddParentControl(sdg.Page, dc, thispage_dgnc);
//this is necessary for 2 reasons :
//-sorting the grids
//-also, when there are no controls on the page
}
}
}
private void AddParentControl(Page Page, DataGridControl dc, DataGridNameCollection thispage_dgnc)
{
string pc = dc.ParentControl;
WebControl wc = (WebControl)Page.FindControl(pc);
if (wc != null) //control is on page, so we can check the type
{
Type t = wc.GetType();
DBSNAPGridView sdg = null;
if (t.ToString().EndsWith("DBSNAPDataGrid"))
{
sdg = (DBSNAPGridView)Page.FindControl(pc);
AddGridToCollection(sdg, thispage_dgnc);
dc.ParentGrid = true;
}
else //it's a webcontrol, but not a datagrid
{
if (t.ToString().EndsWith("DBSNAPTextBox") || t.ToString().EndsWith("DBSNAPDropDownList"))
{
pc = (string)t.InvokeMember("DBSNAPGridName", System.Reflection.BindingFlags.GetProperty, null, wc, new object[] {});
}
if (pc != string.Empty && pc != null)
{
sdg = (DBSNAPGridView)Page.FindControl(pc);
if (sdg != null) //grid on page
{
sdg = (DBSNAPGridView)Page.FindControl(pc);
AddGridToCollection(sdg, thispage_dgnc);
}
else //grid not on page
{
if (!IsDGNinDGNC(pc, thispage_dgnc))
{
DataGridControl dcp = new DataGridControl();
dcp.GridName = pc;
dcp.GridPage = Page.ToString();
dcp.OnPage = false;
thispage_dgnc.Add(dcp);
}
}
}
}
}
else
{
//looking if it's a grid on another page
DataGridNameCollection odgnc = (DataGridNameCollection)Page.Session["DGNC"];
bool found = false;
foreach (DataGridControl dc2 in odgnc)
{
if (dc2.GridName == pc) //it ' s a grid
{
found = true;
}
}
if (found)
{
if (!IsDGNinDGNC(pc, thispage_dgnc))
{
DataGridControl dcp = new DataGridControl();
dcp.GridName = pc;
dcp.GridPage = Page.ToString();
dcp.OnPage = false;
thispage_dgnc.Add(dcp);
dc.ParentGrid = true;
}
}
}
}
public void AddGridToCollection(DBSNAPGridView sdg, DataGridNameCollection thispage_dgnc)
{
// is it already in the collection ?
//if not, create a new datagridcouple and add it to the collection
if (!IsDGNinDGNC(sdg.ID, thispage_dgnc))
{
DataGridControl dc = new DataGridControl();
dc.GridName = sdg.ID;
dc.ViewSource = sdg.ViewSource;
dc.ActionTarget = sdg.ActionTarget;
dc.SQLB.Distinct = sdg.Distinct;
if (sdg.AllowPaging)
{
dc.SQLB.PageIndex = sdg.PageIndex;
dc.SQLB.PageSize = sdg.PageSize;
}
else
{
dc.SQLB.PageSize = -1;
}
//setting the keyfields in the SQLB of the dc
string[] keyfields = sdg.PrimaryKey.Split(',');
foreach (string keyfield in keyfields)
{
string kf = keyfield.Trim();
DataField dfield = new DataField();
dfield.Name = kf;
dfield.PKField = true;
dc.SQLB.DataFields.Add(dfield);
}
dc.ParentControl = sdg.ParentControl;
dc.ParentKeyExpression = sdg.ParentKeyExpression;
//setting the parentkey fields as filters
//getting the keys
if (dc.ParentKeyExpression != null && dc.ParentKeyExpression != "")
{
string[] parentkeys = sdg.ParentKeyExpression.Split(',');
foreach (string parentkey in parentkeys)
{
string[] keys = parentkey.Split('=');
FilterField ffield = new FilterField();
ffield.Name = keys[1].Trim();
ffield.FilterType = snpFilterType.Equal;
// ffield.Value = keys[0].Trim();
ffield.ParentKey = true;
dc.SQLB.FilterFields.Add(ffield);
}
}
//putting in the datagrid columns as datafields
DataControlFieldCollection cols = sdg.Columns;
foreach (DataControlField col in cols)
{
string dfieldname = string.Empty;
try
{
Type t = col.GetType();
dfieldname = (string)t.InvokeMember("DataField", System.Reflection.BindingFlags.GetProperty, null, col, new object[] { });
}
catch
{ }
if (dfieldname != string.Empty || dfieldname.Trim() != string.Empty)
{
DataField dfield = new DataField();
dfield.Name = dfieldname.Trim();
dc.SQLB.DataFields.Add(dfield);
}
}
//setting the sortfields in the SQLB of the dc
string[] sortfields = sdg.OrderBy.Split(',');
foreach (string sortfield in sortfields)
{
string sf = sortfield.Trim();
string[] sfe = sf.Split(' ');
string sfe0 = sfe[0] == null || sfe[0] == "" ? "" : sfe[0].Trim();
if (sfe0 != "")
{
SortField sfield = new SortField();
sfield.Name = sfe0;
string sfe1 = sfe[1] == null || sfe[1] == "" ? "" : sfe[1].Trim();
if (sfe1 != "")
{
sfe1 = sfe1.ToUpper();
if (sfe1 == "ASC")
{
sfield.Order = snpOrder.ASC;
}
else
{
sfield.Order = snpOrder.DESC;
}
}
dc.SQLB.SortFields.Add(sfield);
}
}
dc.GridPage = sdg.Page.ToString();
dc.OnPage = true;
thispage_dgnc.Add(dc);
//also adding the parentdatagrid
//this is necessary for 2 reasons :
//-sorting the grids
//-also, when there are no controls on the page
if (dc.ParentControl != null && dc.ParentControl != "")
{
AddParentControl(sdg.Page, dc, thispage_dgnc);
}
}
}
