public void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (this.txtcatename.Text.Trim().Length == 0)
{
strErr += "catename不能为空！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
int id = int.Parse(this.lblid.Text);
string catename = this.txtcatename.Text;
Movie.Model.cate model = new Movie.Model.cate();
model.id = id;
model.catename = catename;
Movie.BLL.cate bll = new Movie.BLL.cate();
bll.Update(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "list.aspx");
}
private void ShowInfo(int id)
{
Movie.BLL.cate bll = new Movie.BLL.cate();
Movie.Model.cate model = bll.GetModel(id);
this.lblid.Text = model.id.ToString();
this.txtcatename.Text = model.catename;
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Movie.Model.cate model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update cate set ");
strSql.Append("catename=@SQL2012catename");
strSql.Append(" where id=@SQL2012id ");
SqlParameter[] parameters =
{
new SqlParameter("@SQL2012catename", SqlDbType.VarChar, 255),
new SqlParameter("@SQL2012id", SqlDbType.Int, 4)
};
parameters[0].Value = model.catename;
parameters[1].Value = model.id;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(Movie.Model.cate model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into cate(");
strSql.Append("id,catename)");
strSql.Append(" values (");
strSql.Append("@SQL2012id,@SQL2012catename)");
SqlParameter[] parameters =
{
new SqlParameter("@SQL2012id", SqlDbType.Int, 4),
new SqlParameter("@SQL2012catename", SqlDbType.VarChar, 255)
};
parameters[0].Value = model.id;
parameters[1].Value = model.catename;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Movie.Model.cate DataRowToModel(DataRow row)
{
Movie.Model.cate model = new Movie.Model.cate();
if (row != null)
{
if (row["id"] != null && row["id"].ToString() != "")
{
model.id = int.Parse(row["id"].ToString());
}
if (row["catename"] != null)
{
model.catename = row["catename"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public Movie.Model.cate GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 id,catename from cate ");
strSql.Append(" where id=@SQL2012id ");
SqlParameter[] parameters =
{
new SqlParameter("@SQL2012id", SqlDbType.Int, 4)
};
parameters[0].Value = id;
Movie.Model.cate model = new Movie.Model.cate();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
