public void UpdateObjectStoredProcedure(object o, DataTableAttribute dataTable)
{
DALParameter keyParameter = null;
PropertyInfo keyProperty = null;
PropertyInfo[] properties = o.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
ClearParameters();
for (int i=0; i < properties.Length; i++)
{
BaseFieldAttribute[] fields = (BaseFieldAttribute[])properties[i].GetCustomAttributes(typeof(BaseFieldAttribute), true);
if (fields.Length > 0)
{
object value = properties[i].GetValue(o, null);
if (value.GetType().IsEnum)
{
value = Convert.ToInt32(value);
}
DALParameter param = new DALParameter("@" + fields[0].ColumnName, value);
DataFieldAttribute dataField = fields[0] as DataFieldAttribute;
if (dataField != null)
{
param.Type = dataField.Type;
if (dataField.Size != 0)
{
param.Size = dataField.Size;
}
}
else if (fields[0] is KeyFieldAttribute)
{
keyProperty = properties[i];
keyParameter = param;
param.Direction = ParameterDirection.InputOutput;
}
AddParameter(param);
}
}
if (keyProperty == null || keyParameter == null)
{
throw new ArgumentException("The object " + o + " doesn't has a KeyField attribute");
}
//ExecSP_NonQuery(dataTable.UpdateStoredProcedure);
IDataCommand cmd = this._dataSource.GetSpCommand(dataTable.UpdateStoredProcedure);
cmd.ExecuteNonQuery();
keyProperty.SetValue(o, Convert.ChangeType(keyParameter.Value, keyProperty.PropertyType), null);
}
public void UpdateObjectSql(object o, DataTableAttribute dataTable)
{
//DALQueryBuilder qBuilder = null;
ArrayList dataParams = new ArrayList();
ArrayList keyParams = new ArrayList();
this.keyFieldParameters.Clear();
this.dataFieldParameters.Clear();
PropertyInfo dbaction = o.GetType().GetProperty("dbaction");
string action = dbaction.GetValue(o, null).ToString();
PropertyInfo[] properties = o.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
for (int i=0; i < properties.Length; i++)
{
DataFieldAttribute[] fields = (DataFieldAttribute[])properties[i].GetCustomAttributes(typeof(DataFieldAttribute), true);
if (fields.Length > 0)
{
object value = properties[i].GetValue(o, null);
if (value == null) continue;
if (value.GetType().IsEnum)
{
value = Convert.ToInt32(value);
}
// if (value.ToString().Length==0) continue;
ParamItem item;
this.GetParameterName(fields[0].ColumnName,out item);
DALParameter param = new DALParameter(item.paramName, value);
dataParams.Add(item);
param.Type = fields[0].Type;
if (fields[0].Size != 0)
{
param.Size = fields[0].Size;
}
this.dataFieldParameters.Add(param);
}
}
try
{
for (int i=0; i < properties.Length; i++)
{
KeyFieldAttribute[] fields = (KeyFieldAttribute[])properties[i].GetCustomAttributes(typeof(KeyFieldAttribute), true);
if (fields.Length > 0)
{
object value = properties[i].GetValue(o, null);
if (value == null)
{
throw new Exception("Primary key字段" + fields[0].ColumnName + "不能为空值！！！");
}
if (value.GetType().IsEnum)
{
value = Convert.ToInt32(value);
}
ParamItem item;
this.GetParameterName(fields[0].ColumnName,out item);
DALParameter param = new DALParameter(item.paramName, value);
keyParams.Add(item);
param.Type = fields[0].Type;
if (fields[0].Size != 0)
{
param.Size = fields[0].Size;
}
this.keyFieldParameters.Add(param);
}
}
}
catch(Exception ex)
{
throw new Exception("3213213" + ex.Message);
}
string sql = "";
if (action == "insert")
{
StringBuilder sb = new StringBuilder();
sb.Append("insert into " + dataTable.TableName + "(");
StringBuilder vb = new StringBuilder();
vb.Append(" values(");
foreach(ParamItem item in dataParams)
{
sb.Append(item.colName);
sb.Append(", ");
vb.Append(item.placeName);
vb.Append(", ");
}
foreach(ParamItem item in keyParams)
{
sb.Append(item.colName);
sb.Append(", ");
vb.Append(item.placeName);
vb.Append(", ");
}
sb.Remove(sb.Length - 2, 2);
vb.Remove(vb.Length - 2, 2);
sb.Append(")");
vb.Append(")");
sql = sb.ToString() + vb.ToString();
}
else
{
StringBuilder sb = new StringBuilder();
sb.Append("update " + dataTable.TableName + " set ");
StringBuilder vb = new StringBuilder();
vb.Append(" where ");
foreach(ParamItem item in dataParams)
{
sb.Append(item.colName);
sb.Append("=");
sb.Append(item.placeName);
sb.Append(", ");
}
foreach(ParamItem item in keyParams)
{
vb.Append(item.colName);
vb.Append("=");
vb.Append(item.placeName);
vb.Append(" and ");
}
sb.Remove(sb.Length - 2, 2);
vb.Remove(vb.Length - 4, 4);
sql = sb.ToString() + vb.ToString();
}
IDataCommand cmd = this._dataSource.GetTxtCommand(sql);
//MessageBox.Show(sql);
foreach(DALParameter p in this.dataFieldParameters)
{
// MessageBox.Show(p.Name+","+p.Type+","+p.Value.ToString());
cmd.AddParameter(p.Name, p.Type, p.Size, p.Direction, p.Value);
}
foreach(DALParameter p in this.keyFieldParameters)
{
cmd.AddParameter(p.Name, p.Type, p.Size, p.Direction, p.Value);
}
// MessageBox.Show(sql);
cmd.ExecuteNonQuery();
}
