public int UpdateOne(XModel setsModel)
{
string sSql = UpdateOneSql(setsModel);
if (String.IsNullOrEmpty(sSql))
{
if (System.Configuration.ConfigurationManager.AppSettings["ReturnValueWhenUpdateEmpty"] != null)
{
return(Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["ReturnValueWhenUpdateEmpty"]));
}
else
{
return(0);
}
}
else
{
int iR = this.Execute(sSql);
if (iR == 1)
{
setsModel.ClearAllUpdated();
}
return(iR);
}
}
public int Insert(XModel insertModel, bool returnIdentityID)
{
string sSql = this.InsertSql(insertModel);
int iR;
if (string.IsNullOrEmpty(sSql))
{
return(-1);
}
if (returnIdentityID)
{
sSql = sSql + ";SELECT @@IDENTITY";
}
if (!returnIdentityID)
{
iR = this.Execute(sSql);
}
else
{
iR = Convert.ToInt32(this.GetValue(sSql));
}
if (iR > 0)
{
insertModel.ClearAllUpdated();
}
return(iR);
}
///**************************************************************
///outputModel
///关键值未赋，称为状态A=未初始化状态;
///关键值已赋，但其它值未赋，称为状态B=已初始化状态;
///所有值已经赋为为C=完整状态
///当keyValues为空时，则outputModel不能为未初始化状态。
public void LoadFromDataRow(XModel outputModel, DataRow drCache)
{
if (drCache != null)
{
XModel xdm = outputModel;
for (int i = 0; i < xdm.Fields.Count; i++)
{
string fname = xdm.Fields[i].name;
if (drCache.Table.Columns.Contains(fname))
{
xdm.Fields[i].value = drCache[fname];
}
}
xdm.LoadSucceed = true;
outputModel.ClearAllUpdated();
}
}
///**************************************************************
public int SaveToDb(XModel updateModel)
{
_CheckKeyField();
string sets = updateModel.SetsListString();
string fieldLists = updateModel.FieldsListStringForInsert(false);
string valueLists = updateModel.ValuesListStringForInsert(false);
//string whereStr=updateModel.DefaultConditionString(this.KeyField);
string whereStr = GetKeyConditionString(false, updateModel);
//if (string.IsNullOrEmpty(sets))
//{
// return 0;
//}
string sSql_Exists = "Select * from " + this.TableName + " where " + whereStr;
string sSql_Update = String.IsNullOrEmpty(sets) ? "Select 1;" : "Update " + this.TableName + " set " + sets + " where " + whereStr + ";";
string sSql_Insert = String.IsNullOrEmpty(fieldLists) || String.IsNullOrEmpty(valueLists) ? "Select 1;" : "Insert into " + this.TableName + "(" + fieldLists + ") values(" + valueLists + ");";
string sSql = String.Format("if exists({0}) {1} else {2}", sSql_Exists, sSql_Update, sSql_Insert);
int iR = 0;
ULCode.QDA.ProviderType ct = XSql.GetDB(this.CnName).GetProviderType();
if (ct == ProviderType.MsSql)
{
iR = this.Execute(sSql);
}
else// if (ct == ProviderType.OleDb)
{
if (XSql.IsHasRow(this.CnName, sSql_Exists))
{
iR = this.Execute(sSql_Update);
}
else
{
iR = this.Execute(sSql_Insert);
}
}
if (iR > 0)
{
updateModel.ClearAllUpdated();
}
return(iR);
}