public override int BindDataTableManager(IDataTableManager dtm, string bindPath)
{
IReportExpressionEngine expEngin = (this as IBindReportExpressionEngine).ExpressionEngine;
bool newFlag = false;
// 计算显示值
if (null == expEngin)
{
expEngin = (this as IBindReportExpressionEngine).ExpressionEngine = new ReportExpressionEngine();
newFlag = true;
}
object obj = null;
if (!string.IsNullOrEmpty(Expression) && Expression.Trim().StartsWith("="))
{
// 启用表达式
obj = expEngin.Execute(Expression.Trim().TrimStart("=".ToCharArray()), dtm, bindPath);
}
else if (!string.IsNullOrEmpty(DbField))
{
// 替换显示
obj = expEngin.ExcuteBindObj(DbField, dtm, bindPath);
if (null == obj)
{
obj = expEngin.ExcuteBindText(DbField, dtm, bindPath);
}
}
if (null != obj)
{
if (obj is byte[])
{
obj = GetImageBytesFromOLEField(obj as byte[]);
// 二进制图片数据
RealText = Convert.ToBase64String(obj as byte[]);
}
else if (obj is string)
{
string path = obj.ToString();
if (File.Exists(path))
{
try
{
Image = System.Drawing.Image.FromFile(path);
}
catch (System.Exception ex)
{
Image = null;
}
}
}
}
if (newFlag)
{
expEngin.Dispose();
}
return(0);
}
public override int BindDataTableManager(IDataTableManager dtm, string bindPath)
{
IReportExpressionEngine expEngin = (this as IBindReportExpressionEngine).ExpressionEngine;
bool newFlag = false;
// 计算显示值
if (null == expEngin)
{
expEngin = (this as IBindReportExpressionEngine).ExpressionEngine = new ReportExpressionEngine();
newFlag = true;
}
RealText = expEngin.Execute(Expression, Text, dtm, this as IPMSFormate, this as IDataMapping, bindPath);
//object oValue = null;
//if (!string.IsNullOrEmpty(Expression) && Expression.StartsWith("="))
//{
// // 启用表达式
// oValue = expEngin.Excute(Expression.TrimStart("=".ToCharArray()), dtm, bindPath);
//}
//else if (!string.IsNullOrEmpty(Text))
//{
// // 替换显示
// oValue = expEngin.ExcuteBindText(Text, dtm, bindPath);
//}
//// format
//if (null != oValue)
//{
// RealText = oValue.ToString();
// if (!string.IsNullOrEmpty(StrFormate))
// {
// RealText = FormateToString(oValue);
// }
//}
////mapping
//if (EnableMapping)
//{
// string result = GetMapValue(RealText);
// if (null != result)
// {
// RealText = result;
// }
//}
if (newFlag)
{
expEngin.Dispose();
}
return(0);
}
/// <summary>
/// 根据表达式计算出实际值
/// </summary>
/// <param name="expression">表达式</param>
/// <param name="text">Text</param>
/// <param name="dtm">数据源</param>
/// <param name="bindPath">绑定路径</param>
/// <returns>计算后的实际值</returns>
public string ExpressionExecute(string expression, string text, IDataTableManager dtm, string bindPath)
{
IReportExpressionEngine expEngin = (this as IBindReportExpressionEngine).ExpressionEngine;
bool newFlag = false;
if (null == expEngin)
{
expEngin = (this as IBindReportExpressionEngine).ExpressionEngine = new ReportExpressionEngine();
newFlag = true;
}
string RealText = expEngin.Execute(expression, text, dtm, this as PMS.Libraries.ToolControls.Report.IPMSFormate, this as IDataMapping, bindPath);
if (newFlag)
{
expEngin.Dispose();
}
return(RealText);
}
public override int BindDataTableManager(IDataTableManager dtm, string bindPath)
{
IReportExpressionEngine expEngin = (this as IBindReportExpressionEngine).ExpressionEngine;
bool newFlag = false;
// 计算显示值
if (null == expEngin)
{
expEngin = (this as IBindReportExpressionEngine).ExpressionEngine = new ReportExpressionEngine();
newFlag = true;
}
RealText = expEngin.Execute(Expression, Text, dtm, this as IPMSFormate, this as IDataMapping, bindPath);
if (newFlag)
{
expEngin.Dispose();
}
return(0);
}
