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 (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
int roleId = int.Parse(this.lblroleId.Text);
string roleName = this.txtroleName.Text;
hm.Model.role model = new hm.Model.role();
model.roleId = roleId;
model.roleName = roleName;
hm.BLL.role bll = new hm.BLL.role();
bll.Update(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "list.aspx");
}
private void ShowInfo(int roleId)
{
hm.BLL.role bll = new hm.BLL.role();
hm.Model.role model = bll.GetModel(roleId);
this.lblroleId.Text = model.roleId.ToString();
this.txtroleName.Text = model.roleName;
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(hm.Model.role model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update role set ");
strSql.Append("roleName=@roleName");
strSql.Append(" where roleId=@roleId");
OleDbParameter[] parameters =
{
new OleDbParameter("@roleName", OleDbType.VarChar, 0),
new OleDbParameter("@roleId", OleDbType.Integer, 4)
};
parameters[0].Value = model.roleName;
parameters[1].Value = model.roleId;
int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(hm.Model.role model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into role(");
strSql.Append("roleName)");
strSql.Append(" values (");
strSql.Append("@roleName)");
OleDbParameter[] parameters =
{
new OleDbParameter("@roleName", OleDbType.VarChar, 0)
};
parameters[0].Value = model.roleName;
int rows = DbHelperOleDb.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public hm.Model.role GetModel(int roleId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select roleId,roleName from role ");
strSql.Append(" where roleId=@roleId");
OleDbParameter[] parameters =
{
new OleDbParameter("@roleId", OleDbType.Integer, 4)
};
parameters[0].Value = roleId;
hm.Model.role model = new hm.Model.role();
DataSet ds = DbHelperOleDb.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["roleId"] != null && ds.Tables[0].Rows[0]["roleId"].ToString() != "")
{
model.roleId = int.Parse(ds.Tables[0].Rows[0]["roleId"].ToString());
}
if (ds.Tables[0].Rows[0]["roleName"] != null && ds.Tables[0].Rows[0]["roleName"].ToString() != "")
{
model.roleName = ds.Tables[0].Rows[0]["roleName"].ToString();
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public hm.Model.role GetModel(int roleId)
{
StringBuilder strSql=new StringBuilder();
strSql.Append("select top 1 roleId,roleName from role ");
strSql.Append(" where roleId=@roleId");
SqlParameter[] parameters = {
new SqlParameter("@roleId", SqlDbType.Int,4)
};
parameters[0].Value = roleId;
hm.Model.role model=new hm.Model.role();
DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
if(ds.Tables[0].Rows.Count>0)
{
if(ds.Tables[0].Rows[0]["roleId"]!=null && ds.Tables[0].Rows[0]["roleId"].ToString()!="")
{
model.roleId=int.Parse(ds.Tables[0].Rows[0]["roleId"].ToString());
}
if(ds.Tables[0].Rows[0]["roleName"]!=null && ds.Tables[0].Rows[0]["roleName"].ToString()!="")
{
model.roleName=ds.Tables[0].Rows[0]["roleName"].ToString();
}
return model;
}
else
{
return null;
}
}
