/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(ncu.mao.Model.t_role model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update t_role set ");
strSql.Append("rolename=@rolename,");
strSql.Append("description=@description");
strSql.Append(" where roleid=@roleid");
SqlParameter[] parameters =
{
new SqlParameter("@rolename", SqlDbType.NVarChar, 20),
new SqlParameter("@description", SqlDbType.NVarChar, 50),
new SqlParameter("@roleid", SqlDbType.Int, 4)
};
parameters[0].Value = model.rolename;
parameters[1].Value = model.description;
parameters[2].Value = model.roleid;
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(ncu.mao.Model.t_role model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into t_role(");
strSql.Append("rolename,description)");
strSql.Append(" values (");
strSql.Append("@rolename,@description)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@rolename", SqlDbType.NVarChar, 20),
new SqlParameter("@description", SqlDbType.NVarChar, 50)
};
parameters[0].Value = model.rolename;
parameters[1].Value = model.description;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
public void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (this.txtrolename.Text.Trim().Length == 0)
{
strErr += "rolename不能为空！\\n";
}
if (this.txtdescription.Text.Trim().Length == 0)
{
strErr += "description不能为空！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
int roleid = int.Parse(this.lblroleid.Text);
string rolename = this.txtrolename.Text;
string description = this.txtdescription.Text;
ncu.mao.Model.t_role model = new ncu.mao.Model.t_role();
model.roleid = roleid;
model.rolename = rolename;
model.description = description;
ncu.mao.BLL.t_role bll = new ncu.mao.BLL.t_role();
bll.Update(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "list.aspx");
}
private void ShowInfo(int roleid)
{
ncu.mao.BLL.t_role bll = new ncu.mao.BLL.t_role();
ncu.mao.Model.t_role model = bll.GetModel(roleid);
this.lblroleid.Text = model.roleid.ToString();
this.lblrolename.Text = model.rolename;
this.lbldescription.Text = model.description;
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public ncu.mao.Model.t_role DataRowToModel(DataRow row)
{
ncu.mao.Model.t_role model = new ncu.mao.Model.t_role();
if (row != null)
{
if (row["roleid"] != null && row["roleid"].ToString() != "")
{
model.roleid = int.Parse(row["roleid"].ToString());
}
if (row["rolename"] != null)
{
model.rolename = row["rolename"].ToString();
}
if (row["description"] != null)
{
model.description = row["description"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public ncu.mao.Model.t_role GetModel(int roleid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 roleid,rolename,description from t_role ");
strSql.Append(" where roleid=@roleid");
SqlParameter[] parameters =
{
new SqlParameter("@roleid", SqlDbType.Int, 4)
};
parameters[0].Value = roleid;
ncu.mao.Model.t_role model = new ncu.mao.Model.t_role();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
