/// <summary>
/// 增加一条数据
/// </summary>
public int Add(WebApi_Model.Customers model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Customers(");
strSql.Append("CustomerName,Tel)");
strSql.Append(" values (");
strSql.Append("@CustomerName,@Tel)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@CustomerName", SqlDbType.NVarChar, 50),
new SqlParameter("@Tel", SqlDbType.VarChar, 20)
};
parameters[0].Value = model.CustomerName;
parameters[1].Value = model.Tel;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(WebApi_Model.Customers model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Customers set ");
strSql.Append("CustomerName=@CustomerName,");
strSql.Append("Tel=@Tel");
strSql.Append(" where Kid=@Kid");
SqlParameter[] parameters =
{
new SqlParameter("@CustomerName", SqlDbType.NVarChar, 50),
new SqlParameter("@Tel", SqlDbType.VarChar, 20),
new SqlParameter("@Kid", SqlDbType.Int, 4)
};
parameters[0].Value = model.CustomerName;
parameters[1].Value = model.Tel;
parameters[2].Value = model.Kid;
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 WebApi_Model.Customers GetModel(int Kid)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Kid,CustomerName,Tel from Customers ");
strSql.Append(" where Kid=@Kid");
SqlParameter[] parameters =
{
new SqlParameter("@Kid", SqlDbType.Int, 4)
};
parameters[0].Value = Kid;
WebApi_Model.Customers model = new WebApi_Model.Customers();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["Kid"] != null && ds.Tables[0].Rows[0]["Kid"].ToString() != "")
{
model.Kid = int.Parse(ds.Tables[0].Rows[0]["Kid"].ToString());
}
if (ds.Tables[0].Rows[0]["CustomerName"] != null && ds.Tables[0].Rows[0]["CustomerName"].ToString() != "")
{
model.CustomerName = ds.Tables[0].Rows[0]["CustomerName"].ToString();
}
if (ds.Tables[0].Rows[0]["Tel"] != null && ds.Tables[0].Rows[0]["Tel"].ToString() != "")
{
model.Tel = ds.Tables[0].Rows[0]["Tel"].ToString();
}
return(model);
}
else
{
return(null);
}
}