/// <summary>
/// 增加一条数据
/// </summary>
public int Add(OLBookstore.Model.Categories model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Categories(");
strSql.Append("Name,PId,SortNum)");
strSql.Append(" values (");
strSql.Append("@Name,@PId,@SortNum)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@Name", SqlDbType.NVarChar, 200),
new SqlParameter("@PId", SqlDbType.Int, 4),
new SqlParameter("@SortNum", SqlDbType.Int, 4)
};
parameters[0].Value = model.Name;
parameters[1].Value = model.PId;
parameters[2].Value = model.SortNum;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(OLBookstore.Model.Categories model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Categories set ");
strSql.Append("PId=@PId,");
strSql.Append("SortNum=@SortNum");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@PId", SqlDbType.Int, 4),
new SqlParameter("@SortNum", SqlDbType.Int, 4),
new SqlParameter("@Id", SqlDbType.Int, 4),
new SqlParameter("@Name", SqlDbType.NVarChar, 200)
};
parameters[0].Value = model.PId;
parameters[1].Value = model.SortNum;
parameters[2].Value = model.Id;
parameters[3].Value = model.Name;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
public void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (!PageValidate.IsNumber(txtPId.Text))
{
strErr += "PId格式错误！\\n";
}
if (!PageValidate.IsNumber(txtSortNum.Text))
{
strErr += "SortNum格式错误！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
int Id = int.Parse(this.lblId.Text);
string Name = this.lblName.Text;
int PId = int.Parse(this.txtPId.Text);
int SortNum = int.Parse(this.txtSortNum.Text);
OLBookstore.Model.Categories model = new OLBookstore.Model.Categories();
model.Id = Id;
model.Name = Name;
model.PId = PId;
model.SortNum = SortNum;
OLBookstore.BLL.CategoriesManager bll = new OLBookstore.BLL.CategoriesManager();
bll.Update(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "list.aspx");
}
protected void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (this.txtName.Text.Trim().Length == 0)
{
strErr += "Name不能为空！\\n";
}
if (!PageValidate.IsNumber(txtPId.Text))
{
strErr += "PId格式错误！\\n";
}
if (!PageValidate.IsNumber(txtSortNum.Text))
{
strErr += "SortNum格式错误！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
string Name = this.txtName.Text;
int PId = int.Parse(this.txtPId.Text);
int SortNum = int.Parse(this.txtSortNum.Text);
OLBookstore.Model.Categories model = new OLBookstore.Model.Categories();
model.Name = Name;
model.PId = PId;
model.SortNum = SortNum;
OLBookstore.BLL.CategoriesManager bll = new OLBookstore.BLL.CategoriesManager();
bll.Add(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "add.aspx");
}
private void ShowInfo(int Id)
{
OLBookstore.BLL.CategoriesManager bll = new OLBookstore.BLL.CategoriesManager();
OLBookstore.Model.Categories model = bll.GetModel(Id);
this.lblId.Text = model.Id.ToString();
this.lblName.Text = model.Name;
this.lblPId.Text = model.PId.ToString();
this.lblSortNum.Text = model.SortNum.ToString();
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public OLBookstore.Model.Categories DataRowToModel(DataRow row)
{
OLBookstore.Model.Categories model = new OLBookstore.Model.Categories();
if (row != null)
{
if (row["Id"] != null && row["Id"].ToString() != "")
{
model.Id = int.Parse(row["Id"].ToString());
}
if (row["Name"] != null)
{
model.Name = row["Name"].ToString();
}
if (row["PId"] != null && row["PId"].ToString() != "")
{
model.PId = int.Parse(row["PId"].ToString());
}
if (row["SortNum"] != null && row["SortNum"].ToString() != "")
{
model.SortNum = int.Parse(row["SortNum"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public OLBookstore.Model.Categories GetModel(int Id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Id,Name,PId,SortNum from Categories ");
strSql.Append(" where Id=@Id");
SqlParameter[] parameters =
{
new SqlParameter("@Id", SqlDbType.Int, 4)
};
parameters[0].Value = Id;
OLBookstore.Model.Categories model = new OLBookstore.Model.Categories();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
