private void ShowInfo(int areaid)
{
myhouse.BLL.AreaService bll = new myhouse.BLL.AreaService();
myhouse.Model.Area model = bll.GetModel(areaid);
this.lblareaid.Text = model.areaid.ToString();
this.txtareaname.Text = model.areaname;
}
public void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (this.txtareaname.Text.Trim().Length == 0)
{
strErr += "areaname不能为空！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
int areaid = int.Parse(this.lblareaid.Text);
string areaname = this.txtareaname.Text;
myhouse.Model.Area model = new myhouse.Model.Area();
model.areaid = areaid;
model.areaname = areaname;
myhouse.BLL.AreaService bll = new myhouse.BLL.AreaService();
bll.Update(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "list.aspx");
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(myhouse.Model.Area model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update t_area set ");
strSql.Append("areaname=@areaname");
strSql.Append(" where areaid=@areaid");
SqlParameter[] parameters =
{
new SqlParameter("@areaname", SqlDbType.Char, 20),
new SqlParameter("@areaid", SqlDbType.Int, 4)
};
parameters[0].Value = model.areaname;
parameters[1].Value = model.areaid;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(myhouse.Model.Area model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into t_area(");
strSql.Append("areaname)");
strSql.Append(" values (");
strSql.Append("@areaname)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@areaname", SqlDbType.Char, 20)
};
parameters[0].Value = model.areaname;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public myhouse.Model.Area DataRowToModel(DataRow row)
{
myhouse.Model.Area model = new myhouse.Model.Area();
if (row != null)
{
if (row["areaid"] != null && row["areaid"].ToString() != "")
{
model.areaid = int.Parse(row["areaid"].ToString());
}
if (row["areaname"] != null)
{
model.areaname = row["areaname"].ToString();
}
}
return(model);
}
protected void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (this.txtareaname.Text.Trim().Length == 0)
{
strErr += "areaname不能为空！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
string areaname = this.txtareaname.Text;
myhouse.Model.Area model = new myhouse.Model.Area();
model.areaname = areaname;
myhouse.BLL.AreaService bll = new myhouse.BLL.AreaService();
bll.Add(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "add.aspx");
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public myhouse.Model.Area GetModel(int areaid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 areaid,areaname from t_area ");
strSql.Append(" where areaid=@areaid");
SqlParameter[] parameters =
{
new SqlParameter("@areaid", SqlDbType.Int, 4)
};
parameters[0].Value = areaid;
myhouse.Model.Area model = new myhouse.Model.Area();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
