private void RunIt()
{
/*
* exec sp_executesql N'SELECT
* [Extent1].*
* FROM [dbo].[GetPrecisionMarketingUsers](@p0, @p1, @p2, @p3, @p4, @p5) AS [Extent1]',N'@p0 tinyint, @p1 int, @p2 tinyint, @p3 tinyint, @p4 decimal(19,2), @p5 int'
* ,@p0 = null,@p1 = null,@p2 = null,@p3 = null,@p4 = null,@p5 = null
*/
//0:sp name 1:pars
StringBuilder sbPar = new StringBuilder();
Dictionary <string, System.Data.SqlClient.SqlParameter> sqlParameters = new Dictionary <string, System.Data.SqlClient.SqlParameter>();
System.Data.SqlClient.SqlParameter sqlParameter = null;
var properties = this._Parameter.GetType().GetProperties();
int totalCount = properties.Count(), nowCount = 0;
foreach (var p in properties)
{
nowCount++;
EntityFunctionsAttribute CustType = (EntityFunctionsAttribute)Attribute.GetCustomAttribute(p, typeof(EntityFunctionsAttribute));
object value = p.GetValue(this._Parameter, null);
if (CustType != null)
{
sqlParameter = null;
sbPar.Append(this.CreateParameters(value, p, CustType, out sqlParameter));
if (sqlParameter == null)
{
throw new EntityFunctionsAttributeException("找不到SqlParameter，產生函數參數時發生錯誤 屬性名稱：" + p.Name);
}
else
{
sqlParameters.Add(p.Name, sqlParameter);
if (nowCount < totalCount)
{
sbPar.Append(", ");
}
}
}
}
string schema = "dbo";
string execCommand = string.Format(@"SELECT * FROM [{0}].[{1}]({2})",
schema, this._Parameter.GetType().Name, sbPar.ToString());
var inPar = sqlParameters.Values.ToArray();
this._RuntimeSource = this._contextModel.Database.SqlQuery <Tout>(execCommand, inPar).ToList().GetEnumerator();
this.ObjectState = true;
}
private string CreateParameters(object value, System.Reflection.MemberInfo p, EntityFunctionsAttribute custType, out System.Data.SqlClient.SqlParameter sqlParameter)
{
string resultCmd = string.Empty;
string parameterName = string.Empty;
#region ActionContent
//判斷如果value是NULL預設值時，給Null值
if (custType.DefaultOrNullValue != null && value != null)
{
if (value.ToString() == custType.DefaultOrNullValue.ToString())
{
value = null;
}
}
System.Data.SqlDbType PropertyType = System.Data.SqlDbType.NVarChar;
if (custType != null)
{
int length = 0;
if (custType.Size.HasValue)
{
var hasLen = int.TryParse(custType.Size.Value.ToString(), out length);
if (hasLen)
{
if (value != null)
{
if (value.ToString().Length > length)
{
value = value.ToString().Substring(0, length);
}
}
}
}
//取得
PropertyType = (System.Data.SqlDbType)custType.AttrType;
sqlParameter = new System.Data.SqlClient.SqlParameter();
sqlParameter.SqlDbType = PropertyType;
if (custType.Size.HasValue)
{
sqlParameter.Size = custType.Size.Value;
}
if ((
(custType.Direction.HasValue &&
(custType.Direction == System.Data.ParameterDirection.Input ||
custType.Direction == System.Data.ParameterDirection.InputOutput
)
)
||
custType.Direction.HasValue == false
))
{
if (value == null)
{
sqlParameter.Value = DBNull.Value;
sqlParameter.IsNullable = true;
}
else
{
sqlParameter.Value = value;
}
}
if (string.IsNullOrWhiteSpace(custType.ParameterName) == false)
{
parameterName = sqlParameter.ParameterName = custType.ParameterName.Replace("@", string.Empty);
}
else
{
parameterName = sqlParameter.ParameterName = p.Name;
}
string Cmd = " @{0} ";
resultCmd = string.Format(Cmd, parameterName);
}
else
{
throw new EntityFunctionsAttributeException(p.Name + "屬性找不到EntityFunctionsAttribute，請確定是否已定義此設定。");
}
#endregion
return(resultCmd);
}
