protected void btnAdd_Click(object sender, EventArgs e)
{
ProductClass myProductClass = new ProductClass();
myProductClass.PC_Name = this.txtAcname.Text.Trim();
myProductClass.Parent_Id = Convert.ToInt32(this.DropDownListTree.SelectedValue);
if (ProductClassManage.Insert(myProductClass))
{
ScriptManager.RegisterClientScriptBlock(UpdatePanel1, this.GetType(), "click", "alert('添加产品分类成功!!!')", true);
LoadTree();
}
else
{
this.lblError.Visible = true;
}
}
///<summary>条件查询产品分类</summary>
///<param name="pc_id">产品分类Id</param>
///<returns>ProductClass模型 包含一条产品分类记录.</returns>
public static ProductClass GetItem(int pc_id)
{
ProductClass myProductClass = new ProductClass();
string sql = "SELECT * FROM t_productclass WHERE PC_Id=?PC_Id";
MySqlParameter[] parms = { new MySqlParameter("?PC_Id", MySqlDbType.Int32)};
parms[0].Value = pc_id;
MySqlDataReader reader = DbHelper.ExecuteDataReader(sql, parms);
if (reader.HasRows)
{
if (reader.Read())
{
myProductClass = FillDataRecord(reader);
}
}
reader.Close();
return myProductClass;
}
/// <summary>
/// 初始化一个ProductClass类实体,并填充数据。
/// </summary>
private static ProductClass FillDataRecord(IDataRecord myDataRecord)
{
ProductClass myProductClass = new ProductClass();
myProductClass.PC_Id = myDataRecord.GetInt32(myDataRecord.GetOrdinal("PC_Id"));
myProductClass.PC_Name = myDataRecord.GetString(myDataRecord.GetOrdinal("PC_Name"));
if (!myDataRecord.IsDBNull(myDataRecord.GetOrdinal("Parent_Id")))
{
myProductClass.Parent_Id = myDataRecord.GetInt32(myDataRecord.GetOrdinal("Parent_Id"));
}
myProductClass.PC_Order = myDataRecord.GetInt32(myDataRecord.GetOrdinal("PC_Order"));
return myProductClass;
}
/// <summary>
/// 修改产品分类记录
/// </summary>
/// <param name="myProductClass">myProductClass 模型</param>
/// <returns>返回<c>true</c>修改成功,或<c>false</c>修改失败.</returns>
public static bool Update(ProductClass myProductClass)
{
int result = 0;
string sql = "update t_productclass set pc_name = ?pc_name where pc_id = ?pc_id";
MySqlParameter[] parms = {
new MySqlParameter("?pc_name",MySqlDbType.VarChar),
new MySqlParameter("?pc_id",MySqlDbType.Int32)
};
parms[0].Value = myProductClass.PC_Name;
parms[1].Value = myProductClass.PC_Id;
result = DbHelper.ExecuteNonQuery(sql, parms);
return result > 0;
}
/// <summary>
/// 插入产品分类记录
/// </summary>
/// <param name="myProductClass">myProductClass 模型</param>
/// <returns>返回<c>true</c>插入成功，或<c>false</c>插入失败.</returns>
public static bool Insert(ProductClass myProductClass)
{
int result = 0;
int? parent_id = null;
int pc_order;
string sql1,sql2;
if (myProductClass.Parent_Id > 0)
{
parent_id = myProductClass.Parent_Id;
}
MySqlParameter[] parms = null;
if (parent_id == null)
{
sql1 = "select count(*) from t_productclass where parent_id is null";
}
else
{
sql1 = "select count(*) from t_productclass where parent_id = ?Parent_id";
parms = new MySqlParameter[] {
new MySqlParameter("?Parent_id",MySqlDbType.Int32),
};
parms[0].Value = parent_id;
}
pc_order = Convert.ToInt32(DbHelper.ExecuteScalar(sql1, parms));
MySqlParameter[] params2 = null;
if (parent_id == null)
{
sql2 = "insert into t_productclass(pc_name,pc_order) values (?pc_name,?pc_order)";
params2 = new MySqlParameter[]{
new MySqlParameter("?pc_name",MySqlDbType.VarChar),
new MySqlParameter("?pc_order",MySqlDbType.Int32)
};
params2[0].Value = myProductClass.PC_Name;
params2[1].Value = pc_order + 1;
}
else
{
sql2 = "insert into t_productclass(pc_name,parent_id,pc_order) values (?pc_name,?parent_id,?pc_order)";
params2 = new MySqlParameter[]{
new MySqlParameter("?pc_name",MySqlDbType.VarChar),
new MySqlParameter("?parent_id",MySqlDbType.Int32),
new MySqlParameter("?pc_order",MySqlDbType.Int32)
};
params2[0].Value = myProductClass.PC_Name;
params2[1].Value = parent_id;
params2[2].Value = pc_order + 1;
}
result = DbHelper.ExecuteNonQuery(sql2, params2);
return result > 0;
}
public static bool Insert(ProductClass myProductClass)
{
if (!string.IsNullOrEmpty(myProductClass.PC_Name))
{
return ProductClassService.Insert(myProductClass);
}
else
{
return false;
}
}
public static bool Update(int pc_id, string pc_name)
{
ProductClass myProductClass = new ProductClass();
if (pc_id > 0 && !string.IsNullOrEmpty(pc_name))
{
myProductClass.PC_Id = pc_id;
myProductClass.PC_Name = pc_name;
return ProductClassService.Update(myProductClass);
}
else
{
return false;
}
}
