protected void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (this.txtsname.Text.Trim().Length == 0)
{
strErr += "sname不能为空！\\n";
}
if (this.txtsdescription.Text.Trim().Length == 0)
{
strErr += "sdescription不能为空！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
string sname = this.txtsname.Text;
string sdescription = this.txtsdescription.Text;
myhouse.Model.Section model = new myhouse.Model.Section();
model.sname = sname;
model.sdescription = sdescription;
myhouse.BLL.SectionService bll = new myhouse.BLL.SectionService();
bll.Add(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "add.aspx");
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(myhouse.Model.Section model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update t_section set ");
strSql.Append("sname=@sname,");
strSql.Append("sdescription=@sdescription");
strSql.Append(" where sid=@sid");
SqlParameter[] parameters =
{
new SqlParameter("@sname", SqlDbType.VarChar, 30),
new SqlParameter("@sdescription", SqlDbType.VarChar, 200),
new SqlParameter("@sid", SqlDbType.Int, 4)
};
parameters[0].Value = model.sname;
parameters[1].Value = model.sdescription;
parameters[2].Value = model.sid;
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.Section model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into t_section(");
strSql.Append("sname,sdescription)");
strSql.Append(" values (");
strSql.Append("@sname,@sdescription)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@sname", SqlDbType.VarChar, 30),
new SqlParameter("@sdescription", SqlDbType.VarChar, 200)
};
parameters[0].Value = model.sname;
parameters[1].Value = model.sdescription;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
private void ShowInfo(int sid)
{
myhouse.BLL.SectionService bll = new myhouse.BLL.SectionService();
myhouse.Model.Section model = bll.GetModel(sid);
this.lblsid.Text = model.sid.ToString();
this.lblsname.Text = model.sname;
this.lblsdescription.Text = model.sdescription;
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public myhouse.Model.Section DataRowToModel(DataRow row)
{
myhouse.Model.Section model = new myhouse.Model.Section();
if (row != null)
{
if (row["sid"] != null && row["sid"].ToString() != "")
{
model.sid = int.Parse(row["sid"].ToString());
}
if (row["sname"] != null)
{
model.sname = row["sname"].ToString();
}
if (row["sdescription"] != null)
{
model.sdescription = row["sdescription"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public myhouse.Model.Section GetModel(int sid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 sid,sname,sdescription from t_section ");
strSql.Append(" where sid=@sid");
SqlParameter[] parameters =
{
new SqlParameter("@sid", SqlDbType.Int, 4)
};
parameters[0].Value = sid;
myhouse.Model.Section model = new myhouse.Model.Section();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}