protected override object GetValue(string sSql)
{
string cn = string.Empty;
if (string.IsNullOrEmpty(CnName))
{
cn = string.Empty;
}
else
{
cn = CnName.Split(new char[] { ',' })[0];
}
return(XSql.GetValue(cn, sSql));
}
//实现
protected override int Execute(string sSql)
{
int iR = 0;
if (string.IsNullOrEmpty(CnName))
{
iR = XSql.Execute(sSql);
return(iR);
}
string[] cns = CnName.Split(new char[] { ',' });
foreach (string cn in cns)
{
iR += XSql.Execute(cn, sSql);
}
return(iR);
}
public virtual string g(string sCn, string sSql, string nullValue, params object[] oValues)
{
if (sSql == string.Empty)
{
return(string.Empty);
}
if ((oValues.Length == 1) && ((oValues[0] == null) || (oValues[0] == Convert.DBNull)))
{
return(nullValue);
}
for (int i = 0; i < oValues.Length; i++)
{
sSql = sSql.Replace("{" + i + "}", Convert.ToString(oValues[i]));
}
if (sCn == string.Empty)
{
return(XSql.GetDB(sCn).GetData(sSql).ToStr());
}
return(XSql.GetDB(sCn).GetData(sSql).ToStr());
}
///**************************************************************
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);
}
public virtual string gl(string outputFormat, object nullValue, string sCn, string sSql, params object[] oValues)
{
int i;
object[] oArr;
if (sSql == string.Empty)
{
return(Convert.ToString(nullValue));
}
if ((oValues.Length == 1) && ((oValues[0] == null) || (oValues[0] == Convert.DBNull)))
{
return(Convert.ToString(nullValue));
}
for (i = 0; i < oValues.Length; i++)
{
sSql = sSql.Replace("{" + i + "}", Convert.ToString(oValues[i]));
}
oArr = XSql.GetDB(sCn).GetXDataTable(sSql).ToObjectArray();
if ((oArr.Length == 0) || ((oArr.Length == 1) && ((oArr[0] == null) || (oArr[0] == Convert.DBNull))))
{
return(Convert.ToString(nullValue));
}
for (i = 0; i < oArr.Length; i++)
{
string sSingleValue = string.Empty;
if (outputFormat.Contains("{" + i + "}"))
{
if ((oArr[i] == null) || (oArr[i] == Convert.DBNull))
{
sSingleValue = string.Empty;
}
else
{
sSingleValue = Convert.ToString(oArr[i]);
}
outputFormat = outputFormat.Replace("{" + i + "}", sSingleValue);
}
}
return(outputFormat);
}
