public static void DeleteDataPrimaryKey <T>(this ObjectContext objContext, string IdString) where T : EntityObject
{
PropertyInfo entityPrimaryKey = GetEntityPrimaryKey <T>();
string queryString = "it." + entityPrimaryKey.Name + " in {" + IdString + "}";
if (entityPrimaryKey.PropertyType == typeof(Guid))
{
queryString = "it." + entityPrimaryKey.Name + " in {" + IdString.ConvertGuidID() + "}";
}
else if (entityPrimaryKey.PropertyType == typeof(string))
{
queryString = "it." + entityPrimaryKey.Name + " in {" + IdString.ConvertStringID() + "}";
}
objContext.DeleteData <T>(queryString, new ObjectParameter[0]);
}
/// <summary>
/// 删除数据
/// </summary>
/// <typeparam name="T">泛型</typeparam>
/// <param name="objContext">ObjectContext对象</param>
/// <param name="IdString">主健值字符串</param>
public static void DeleteDataPrimaryKey <T>(this ObjectContext objContext, string IdString) where T : System.Data.Objects.DataClasses.EntityObject
{
PropertyInfo objPropertyInfo = GetEntityPrimaryKey <T>();
string condition = "it." + objPropertyInfo.Name + " in {" + IdString + "}";
if (objPropertyInfo.PropertyType == typeof(Guid))
{
condition = "it." + objPropertyInfo.Name + " in {" + IdString.FormantEntityGuidID() + "}";
}
else if (objPropertyInfo.PropertyType == typeof(string))
{
condition = "it." + objPropertyInfo.Name + " in {" + IdString.FormantStringID() + "}";
}
objContext.DeleteData <T>(condition);
}
