topic Read Blob Field Data Sizewith FileGDBAPI By C++ in File Geodatabase API Questions https://community.esri.com/t5/file-geodatabase-api-questions/read-blob-field-data-sizewith-filegdbapi-by-c/m-p/1281213#M1219 <P>Hai, i want to read blobs field data&nbsp; size from my filegdb by fileGDBAPI with C++, But i&nbsp; always get NULL Binary data, please check what is wrong;</P><P>&nbsp;</P><P>## arcgis catlog</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LiuYingying_0-1682068273157.png"><img src="https://community.esri.com/skins/images/F9C3BDD5490739DEDA2105ED73E82011/responsive_peak/images/image_not_found.png" alt="LiuYingying_0-1682068273157.png" /></span></P><P>&nbsp;</P><P>My C++ Code:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LiuYingying_2-1682068341949.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/68701i399DF6F821C379F0/image-size/medium?v=v2&amp;px=400" role="button" title="LiuYingying_2-1682068341949.png" alt="LiuYingying_2-1682068341949.png" /></span></P><P>My Console Log:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LiuYingying_3-1682068422609.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/68702i346BC6585187B922/image-size/medium?v=v2&amp;px=400" role="button" title="LiuYingying_3-1682068422609.png" alt="LiuYingying_3-1682068422609.png" /></span></P><P><STRONG>How can i get the Blob Data Size! thank your for feedback！</STRONG></P><P>&nbsp;</P><P>&nbsp;</P> Fri, 21 Apr 2023 09:16:37 GMT LiuYingying 2023-04-21T09:16:37Z Read Blob Field Data Sizewith FileGDBAPI By C++ https://community.esri.com/t5/file-geodatabase-api-questions/read-blob-field-data-sizewith-filegdbapi-by-c/m-p/1281213#M1219 <P>Hai, i want to read blobs field data&nbsp; size from my filegdb by fileGDBAPI with C++, But i&nbsp; always get NULL Binary data, please check what is wrong;</P><P>&nbsp;</P><P>## arcgis catlog</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LiuYingying_0-1682068273157.png"><img src="https://community.esri.com/skins/images/F9C3BDD5490739DEDA2105ED73E82011/responsive_peak/images/image_not_found.png" alt="LiuYingying_0-1682068273157.png" /></span></P><P>&nbsp;</P><P>My C++ Code:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LiuYingying_2-1682068341949.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/68701i399DF6F821C379F0/image-size/medium?v=v2&amp;px=400" role="button" title="LiuYingying_2-1682068341949.png" alt="LiuYingying_2-1682068341949.png" /></span></P><P>My Console Log:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="LiuYingying_3-1682068422609.png" style="width: 400px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/68702i346BC6585187B922/image-size/medium?v=v2&amp;px=400" role="button" title="LiuYingying_3-1682068422609.png" alt="LiuYingying_3-1682068422609.png" /></span></P><P><STRONG>How can i get the Blob Data Size! thank your for feedback！</STRONG></P><P>&nbsp;</P><P>&nbsp;</P> Fri, 21 Apr 2023 09:16:37 GMT https://community.esri.com/t5/file-geodatabase-api-questions/read-blob-field-data-sizewith-filegdbapi-by-c/m-p/1281213#M1219 LiuYingying 2023-04-21T09:16:37Z